Table Of ContentDdownloaded From CLearjee.xyz
MCQ Categories in each Chapter
Join Our telegram Channel Cleariitjee for more books and study materials
Ddownloaded From CLearjee.xyz 8
0
2
7
_
D
B
E
• Corporate Office : 45, 2nd Floor, Maharishi Dayanand Marg, Corner Market,
Malviya Nagar, New Delhi-110017
Tel. : 011-26692293 / 26692294
by
Sanjeev Kumar Jha
Typeset by Disha DTP Team
DISHA PUBLICATION
All Rights Reserved
© Copyright Publisher
No part of this publication may be reproduced in any form without prior permission of the publisher. The author and
the publisher do not take any legal responsibility for any errors or misrepresentations that might have crept in. We have
tried and made our best efforts to provide accurate up-to-date information in this book.
For further information about the books from DISHA,
Log on to www.dishapublication.com or email to [email protected]
(ii)
Join Our telegram Channel Cleariitjee for more books and study materials
Ddownloaded From CLearjee.xyz
Contents
1. Physical World 1-4
2. Units and Measurements 5-16
3. Motion in a Straight Line 17-34
4. Motion in a Plane 35-54
5. Laws of Motion 55-74
6. Work, Energy and Power 75-94
7. System of Particles and Rotational Motion 95-114
8. Gravitation 115-130
9. Mechanical Properties of Solids 131-142
10. Mechanical Properties of Fluids 143-160
11. Thermal Properties of Matter 161-176
12. Thermodynamics 177-194
13. Kinetic Theory 195-208
14. Oscillations 209-228
15. Waves 229-246
16. Electric Charges and Fields 247-264
17. Electrostatic Potential and Capacitance 265-282
18. Current Electricity 283-302
(iii)
Join Our telegram Channel Cleariitjee for more books and study materials
Ddownloaded From CLearjee.xyz 8
0
2
7
_
D
B
19. Moving Charges and Magnetism 303-322 E
20. Magnetism and Matter 323-336
21. Electromagnetic Induction 337-350
22. Alternating Current 351-368
23. Electromagnetic Waves 369-378
24. Ray Optics and Optical Instruments 379-398
25. Wave Optics 399-416
26. Dual Nature of Radiation and Matter 417-430
27. Atoms 431-442
28. Nuclei 443-458
29. Semiconductor Electronics : Materials, Devices
and Simple Circuits 459-474
30. Communication Systems 475-486
Mock Test - 1 MT-1-6
Mock Test - 2 MT-7-12
Mock Test - 3 MT-13-18
Mock Test - 4 MT-19-22
Mock Test - 5 MT-23-26
(iv)
Join Our telegram Channel Cleariitjee for more books and study materials
Ddownloaded From CLearjee.xyz
1
PHYSICAL WORLD
9. C.V. Raman got Nobel Prize for his experiment on
FACT/DEFINITION TYPE QUESTIONS
(a) dispersion of light (b) reflection of light
1. The branch of science which deals with nature and natural
(c) deflection of light (d) scattering of light
phenomena is called
(a) Sociology (b) Biology 10. Louis de-Broglie is credited for his work on
(c) Civics (d) Physics (a) theory of relativity
2. Science is exploring, ...x... and ...y... from what we see (b) electromagnetic theory
around us. Here, x and y refer to
(c) matter waves
(a) qualitative, modify (b) experiment, predict
(d) law of distribution of velocities
(c) verification, predict (d) reasoning, quantitative
3. The person who has been awarded the title of the Father of 11 Madam Marie Curie won Nobel Prize twice which were in
Physics of 20th century is the field of
(a) Madame Curie (b) Sir C.V. Raman (a) Physics and chemistry(b) Chemistry only
(c) Neils Bohar (d) Albert Einstein (c) Physics only (d) Biology only
4. The man who is known as the Father of Experimental Physics 12. A scientific way of doing things involve
is (a) identifying the problem
(a) Newton (b) Albert Einstein (b) collecting data
(c) hypothesising a possible theory
(c) Galileo (d) Rutherford
5. Macroscopic domain includes (d) All of the above
(a) phenomena at the laboratory 13. Two Indian born physicists who have been awarded Nobel
(b) terrestrial scales Prize in Physics are
(c) astronomical scales (a) H. J. Bhabha and APJ Kalam
(d) All of the above (b) C.V. Raman and S. Chandrasekhar
6. The man who has won Nobel Prize twice in physics is (c) J.C. Bose and M.N. Saha
(d) S. N. Bose and H. J. Bhabha
(a) Einstein (b) Bardeen
14. Who gave general theory of relativity?
(c) Heisenberg (d) Faraday
(a) Einstein (b) Marconi
7. Prof. Albert Einstein got nobel prize in physics for his work (c) Ampere (d) Newton
on 15. Who discovered X-rays?
(a) special theory of relativity (a) Chadwick (b) Roentgen
(b) general theory of relativity (c) Thomson (d) Madam Curie
16. The field of work of S. Chandrashekar is
(c) photoelectric effect
(a) theory of black hole (b) Cosmic rays
(d) theory of specific heats
(c) theory of relativity (d) X-rays
8. Which of the following is wrongly matched ? 17. When we hold a book in our hand, we are balancing the
(a) Barometer-Pressure gravitational force on the book due to
(b) Lactometer-Milk (a) normal force provided by our hand
(b) friction force provided by our book
(c) Coulomb’s law-charges
(c) both (a) and (b)
(d) Humidity-Calorimeter
(d) None of these
Join Our telegram Channel Cleariitjee for more books and study materials
8
0
2
7
Ddownloaded From CLearjee.xyz _
D
B
E
2 PHYSICAL WORLD
18. Which of the following has infinite range? (a) Only I (b) Only III
(a) Gravitational force (b) Electromagnetic force (c) I and II (d) I, II and III
(c) Strong nuclear force (d) Both (a) and (b)
19. Which of the following is the correct decreasing order of MATCHING TYPE QUESTIONS
the strengths of four fundamental forces of nature ?
Match the Column I and Column II.
(a) Electromagnetic force > weak nuclear force >
gravitational force > strong nuclear force 26. Column I Column II
(b) Strong nuclear force > weak nuclear force > (A)Johannes Kepler (1) Nuclear model of the atom
electromagnetic force > gravitational force
(B) Tycho Brahe (2) Planetary motion
(c) Gravitational force > electromagnetic force > strong
(C) Nicolas Copernicus (3) Elliptical orbit theory
nuclear force > weak nuclear force
(D)Ernest Rutherford (4) Circular orbit theory
(d) Strong nuclear force > electromagnetic force > weak
nuclear force > gravitational force (a) (A)(cid:111)(2); (B)(cid:111)(4); C(cid:111)(3); (D)(cid:111)(1)
20. The exchange particles for the electromagnetic force are (b) (A)(cid:111)(1); (B)(cid:111)(2); C(cid:111)(3); (D)(cid:111)(4)
(a) gravitons (b) gluons
(c) (A)(cid:111)(2); (B)(cid:111)(1); C(cid:111)(4); (D)(cid:111)(3)
(c) photons (d) mesons
(d) (A)(cid:111)(3); (B)(cid:111)(2); C(cid:111)(4); (D)(cid:111)(1)
21. Which of the following is true regarding the physical
27. Column I Column II
science?
(a) They deal with non-living things (A)Galileo Galilei (1) Explanation of
(b) The study of matter are conducted at atomic or ionic photoelectric effect.
levels
(B) JC Bose (2) Law of inertia.
(c) Both (a) and (b)
(C) Albert Einstein (3) Discovery of Ultra short
(d) None of these
22. Which of the following is the weakest force? radio waves.
(a) Nuclear force (b) Gravitational force (D)JJ Thomson (4) Discovery of electron.
(c) Electromagnetic force (d) None of these
(a) (A)(cid:111)(2); (B)(cid:111)(3); C(cid:111)(1); (D)(cid:111)(4)
23. The scientific principle involves in production of ultra high
(b) (A)(cid:111)(1); (B)(cid:111)(2); C(cid:111)(4); (D)(cid:111)(3)
magnetic fields is
(a) super conductivity (b) digital logic (c) (A)(cid:111)(1); (B)(cid:111)(2); C(cid:111)(3); (D)(cid:111)(4)
(c) photoelectric effect (d) laws of thermodynamics (d) (A)(cid:111)(3); (B)(cid:111)(4); C(cid:111)(1); (D)(cid:111)(2)
28. Column I Column II
STATEMENT TYPE QUESTIONS
(A)J.C Maxwell (1) Verified experimentally
24 Consider the following statements and select the correct the prediction of
statement(s). electromagnetic force.
I. Optics deal with the phenomena involving light.
(B) Cario Rubia (2) Unified electricity,
II. Unification means physical phenomena in terms of
magnetism and optics,
few concepts and laws.
showed that light is an
III. Macroscopic domain of Physics deals with the
constitution and structure of matter at the minute EM waves.
scales of atoms and nuclei. (C) Isaac Newton (3) Unified celestial and
(a) Only I (b) Only II
terrestrial mechanics.
(c) I and II (d) II and III
(D)Michael Faraday (4) Showed that electric
25. Which of the following statements is/are correct?
and magnetic
I. Strong nuclear force binds protons and neutrons in a
phenomenon i.e.,
nucleus.
electromagnetism.
II. In twentieth century, silicon chip triggered a
(a) (A)(cid:111)(1); (B)(cid:111)(2); C(cid:111)(4); (D)(cid:111)(3)
revolutionary changes in technology of computer
(b) (A)(cid:111)(2); (B)(cid:111)(1); C(cid:111)(3); (D)(cid:111)(4)
system.
III. The fossil fuels of the planet are dwindling fast and (c) (A)(cid:111)(2); (B)(cid:111)(3); C(cid:111)(4); (D)(cid:111)(1)
there is urgent need to discover new source of energy. (d) (A)(cid:111)(2); (B)(cid:111)(1); C(cid:111)(4); (D)(cid:111)(3)
Join Our telegram Channel Cleariitjee for more books and study materials
Ddownloaded From CLearjee.xyz
PHYSICAL WORLD 3
DIAGRAM TYPE QUESTIONS ASSERTION- REASON TYPE QUESTIONS
29. In Rutherford, alpha particle scattering experiment as shown Directions : Each of these questions contains two statements,
in given figure, A and B refer to Assertion and Reason. Each of these questions also has four
alternative choices, only one of which is the correct answer. You
Lead Flash of have to select one of the codes (a), (b), (c) and (d) given below.
block light
(a) Assertion is correct, reason is correct; reason is a correct
Microscope
explanation for assertion.
(cid:68) Fluorescent (b) Assertion is correct, reason is correct; reason is not a
(cid:84)
screen correct explanation for assertion
A Scattering
(c) Assertion is correct, reason is incorrect
angle
B (d) Assertion is incorrect, reason is correct.
30. Assertion : The concept of energy is central to Physics
and expression for energy can be written for every
(a) polonium sample and aluminium foil
physical system.
(b) polonium sample and gold foil
Reason : Law of conservation of energy is not valid for
(c) uranium sample and gold foil
all forces and for any kind of transformation between
(d) uranium sample and aluminium foil
different forms of energy.
31. Assertion : Electromagnetic force is much stronger than
the gravitational farce.
Reason : Electromagnetic force dominates all phenomena
at atomic and molecular scales.
Join Our telegram Channel Cleariitjee for more books and study materials
8
0
2
7
Ddownloaded From CLearjee.xyz _
D
B
E
4 PHYSICAL WORLD
FACT/DEFINITION TYPE QUESTIONS 28. (b) Name of the Achievement in
Year
Physicist unification
1. (d) Isaac Newton 1687 Unified celestial and
2. (b) Science is exploring, experimenting and predicting terrestrial mechanics,
from what we see around us.
showed that the same laws
3. (d) 4. (c)
of motion and the law of
5. (d) The macroscopic domain includes phenomena at the
gravitation apply to both the
laboratory, terrestrial and astronomical scales.
domains.
6. (b) 7. (c) 8. (d) 9. (d)
10. (c) 11. (a) 12. (d) 13. (b) Michael 1830 Showed phenomena of
14. (a) 15. (b) 16. (a) Faraday electromagnetism.
17. (a) When we hold a book in our hand , we are balancing J.C. Maxwell 1873 Unified electricity,
the gravitational force on the book due to the huge mass of magnetism and optics,
the Earth by the ‘normal force’ provided by our hand.
showed that light is an
18. (d) 19. (d) 20. (c) 21. (c)
electromagnetic wave.
22. (b) 23. (a)
Cario Rubia 1984 Verified experimentally the
STATEMENT TYPE QUESTIONS
predictions of the theory of
electromagnetic force.
24. (a) Optics deals with the phenomena involving light. The
working of telescopes and microscopes, colours
DIAGRAM TYPE QUESTIONS
exhibited by thin films, etc., are topics in optics.
The microscopic domain of Physics deals with the
29. (b) The alpha particle scattering experiment of Rutherford
constitution and structure of matter at the minute
gave the nuclear model of the atom as shown in figure
scales of atoms and nuclei (and even lower scales of
length) and their interaction with different probes such Lead Flash of
as electrons, photons and other elementary particles. block light
25. (d) In a nucleus, strong nuclear force (strongest
fundamental force) binds protons and neutrons. The
silicon ‘chip’ triggered the computer revolution the (cid:68) Fluorescent
A (cid:84)
last three decades of the twentieth century. screen
A most significant area to which Physics has and will
Scattering
contribute is the development of alternative energy
B angle
resources. The fossil fuels of the planet are dwindling
fact and there is an urgent need to discover new and
Polonium Gold foil
affordable sources of energy. sample
MATCHING TYPE QUESTIONS
ASSERTION- REASON TYPE QUESTIONS
26. (a) Johannes Kepler examined the extensive data on
30. (c) The concept of energy is central to Physics and the
planetary motion collected by Tycho Brahe the planetary
expressions for energy can be written for every
circular orbits in heliocentric theory (Sun at the centre of
physical system. When all forms of energy e.g., Heat,
the solar system) imagined by Nicolas Copernicus had to
mechanical energy, electrical energy etc., are counted,
be replaced by elliptical orbits to fit the data better.
it turns out that energy is conserved. The general law
27. (a)
of conservation of energy is true for all forces and for
Name of the Major contribution Country of
any kind of transformation between different forms of
physicist /discovery origin
energy.
Galileo Galilei Law of inertia Italy 31. (a) It is mainly the electromagnetic force that governs the
JC Bose Ultra short radio India structure of atoms and molecules, the dynamics of
waves chemical reactions and the mechanical, thermal and
other properties of materials.
JJ Thomson Electron Uk
Albert Einstein Explanation of Germeny
photoelectric effect;
Theory of relativity
Join Our telegram Channel Cleariitjee for more books and study materials
Ddownloaded From CLearjee.xyz
2
UNITS AND MEASUREMENTS
9. One yard in SI unit is equal to
FACT/DEFINITION TYPE QUESTIONS
(a) 1.9144 metre (b) 0.9144 metre
1. Which of the following systems of units is not based on (c) 0.09144 kilometre (d) 1.0936 kilometre
units of mass, length and time alone ? 10. Which one of the following is the smallest unit?
(a) SI (b) MKS (a) millimetre (b) angstrom
(b) CGS (d) FPS (c) fermi (d) metre
2. Number of base SI units is 11. The prototype of the international standard kilogram
(a) 4 (b) 7 supplied by the International Bureau of Weights and
(c) 3 (d) 5 Measures (BIPM) are available at
3. Second is defined in terms of periods of radiation from (a) National Physics Laboratory
Cesiuim 133 because (b) National science centre
(a) it is not affected by the change of place
(c) CSIR
(b) it is not affected by the change of time
(d) None of these
(c) it is not affected by the change of Physical conditions
12. Illuminance of a surface is measured in
(d) All of these.
(a) lumen
4. 1° (degree) is equal to
(b) Candela
(a) 17 radian
(c) lux
(b) 17.45 × 10–2 radian (d) lux m–2
(c) 17.45 × 10–2 radian
13. Which of the following is not the unit of time ?
(d) 1.745 × 10–2 radian
(a) Micro second (b) Leap year
5. Very large distances such as the distance of a Planet or
(c) Lunar month (d) Parallactic second
a star from Earth can be measured by
14. Universal time is based on
(a) Spectrograph
(a) rotation of the earth on its axis
(b) Millikan’s oil drop method
(b) earth’s orbital motion around the Sun
(c) Parallax method
(c) vibrations of cesium atom
(d) All of these.
(d) oscillations of quartz crystal
6. One unified atomic mass unit is equal to
15. 1 Parsec is equal to
(a) 12 times the mass of one carbon-12 atom
(a) 3.1 × 10 –16 m. (b) 3.26 ly
1 (c) 6.3× 104 Au (d) 1.496 × 1011 m.
(b) of the mass of 12 atoms of C-12
12 16. Which of the following can measure length upto 10–5 m ?
(a) Metre scale (b) Vernier callipers
1
(c) of the mass of one atom of C-12 (c) Spherometer (d) None of these
12
17. Systematic errors can be
(d) 12 times the mass of 12 atoms of C-12
(a) positive only
7. Light year is
(b) negative only
(a) light emitted by the sun in one year.
(c) either positive or negative
(b) time taken by light to travel from sun to earth.
(d) None of these
(c) the distance travelled by light in free space in one year.
18. Instrumental errors are due to
(d) time taken by earth to go once around the sun.
(a) imperfect design
8. Length cannot be measured by
(b) zero error in the instrument
(a) fermi (b) debye
(c) Both (a) and (b)
(c) micron (d) light year
(d) None of these
Join Our telegram Channel Cleariitjee for more books and study materials
8
0
2
7
Ddownloaded From CLearjee.xyz _
D
B
E
6 UNITS AND MEASUREMENTS
19. ____ is the ratio of the mean absolute error to the mean 31. The unit of percentage error is
value of the quantity measured. (a) same as that of physical quantity
(a) Absolute error (b) Relative error
(b) different from that of physical quantity
(c) Percentage error (d) None of these
(c) percentage error is unitless
20. Random error can be eliminated by
(d) errors have got their own units which are different
(a) careful observation
from that of physical quantity measured
(b) eliminating the cause
(c) measuring the quantity with more than one instrument 32. If L = 2. 331 cm, B = 2.1 cm, then L + B =
(d) taking large number of observations and then their (a) 4.4 cm (b) 4 cm
mean. (c) 4.43 cm (d) 4.431 cm
21. When two quantities are added or subtracted, the 33. When two quantities are divided, the relative error in the
absolute error in the final result is the result is given by
(a) sum of the absolute errors in the individual quantities (a) the product of the relative error in the individual
(b) sum of the relative errors in the individual quantities quantities
(c) can be (a) or (b) (b) the quotient of the relative error in the individual
(d) None of these quantities
22. Error in the measurement of radius of a sphere is 1%. Then (c) the difference of the relative error in the individual
error in the measurement of volume is
quantities
(a) 1% (b) 5%
(d) the sum of the relative error in the individual
(c) 3% (d) 8%
quantities
23. The _____ is a measure of how closed the measured
(cid:39)Z
value is to the true value of quantity. 34. If Z = A3, then = –––––
(a) Precision (b) accuracy Z
(c) Error (d) None of these. (cid:39)A3 (cid:167)(cid:39)A(cid:183)3
24. Which of the following is not a systematic error ? (a) (b) (cid:168) (cid:184)
A (cid:169) A (cid:185)
(a) Instrumental error
(b) Imperfection in experimental technique (cid:167)(cid:39)A(cid:183) (cid:167)(cid:39)A(cid:183)1/3
(c) Personal error (c) 3(cid:168) (cid:184) (d) (cid:168) (cid:184)
(cid:169) A (cid:185) (cid:169) A (cid:185)
(d) None of these
35. What is the correct number of significant figures in
25. The smallest value that can be measured by the
0.0003026 ?
measuring instrument is called
(a) Four (b) Seven
(a) least count (b) parallax
(c) Eight (d) Six
(c) accuracy (d) precision
36. Which of the following is the most accurate?
26. The _____ is the error associated with the resolution of
(a) 200.0 m (b) 20 × 101 m
the instrument.
(c) 2 × 102 m (d) 0.2 × 103 m
(a) parallax error (b) systematic error
37. The number of significant figures in 0.00060 m is
(c) random error (d) least count error
(a) 1 (b) 2
27. Absolute error is always
(c) 3 (d) 4
(a) positive (b) negative
38. The sum of the numbers 436.32, 227.2 and 0.301 in
(c) both (a) and (b) (d) None of these
appropriate significant figures is
28. The magnitude of the difference between the individual
(a) 6663.821 (b) 664
measurement and true value of the quantity is called
(c) 663.8 (d) 663.8
(a) absolute error (b) relative error
(c) percentage error (d) None of these 4.327g
29. The pitch and the number of circular scale divisions in a 39. Number of significant figures in expression 2.51cm3 is
screw gauge with least count 0.02 mm are respectively
(a) 2 (b) 4
(a) l mm and 100 (b) 0.5 mm and 50
(c) 1 mm and 50 (d) 0.5 mm and 100 (c) 3 (d) 5
30. A student measured the length of a rod and wrote it as 3.50 40. The dimensions of force are
cm. Which instrument did he use to measure it? (a) [ML2T–1] (b) [M2L3T–2]
(a) A meter scale. (c) [MLT–2] (d) None of these
(b) A vernier calliper where the 10 divisions in vernier scale 41. The dimensions of speed and velocity are
matches with 9 division in main scale and main scale (a) [L2T], [LT –1] (b) [LT–1], [LT –2]
has 10 divisions in 1 cm. (c) [LT], [LT] (d) [LT–1], [LT –1]
(c) A screw gauge having 100 divisions in the circular scale 42. By equating a physical quantity with its dimensional
and pitch as 1 mm. formula we get
(d) A screw gauge having 50 divisions in the circular scale (a) dimensional analysis (b) dimensional equation
and pitch as 1 mm.
(c) dimensional formula (d) none of these
Join Our telegram Channel Cleariitjee for more books and study materials
