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Concepts of Physics by H. C. Verma
Concepts of Physics

Class 11

HC Verma Part I

Author:
H. C. Verma
Subject:
Physics
1

Chapter 1: Introduction to Physics

35 questions

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2

Chapter 2: Physics and Mathematics

60 questions

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3

Chapter 3: Rest and Motion: Kinematics

88 questions

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4

Chapter 4: The Forces

33 questions

Q1
A proton exerts a force on a proton which is:
Q2
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Q3
If all matters were made of electrically neutral particles such as neutrons:
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5

Chapter 5: Newton's Law of Motion

82 questions

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6

Chapter 6: Friction

57 questions

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7

Chapter 7: Circular Motion

63 questions

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8

Chapter 8: Work and Energy

101 questions

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9

Chapter 9: Centre of Mass, Linear momentum Collision

119 questions

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10

Chapter 10: Rotational Mechanics

149 questions

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11

Chapter 11: Gravitation

80 questions

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12

Chapter 12: Simple Harmonic Motion

111 questions

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13

Chapter 13: Fluid Mechanics

81 questions

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14

Chapter 14: Some Mechanical Properties of Matter

87 questions

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15

Chapter 15: Wave Motion and Waves on a String

96 questions

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16

Chapter 16: Sound Waves

118 questions

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17

Chapter 17: Light Waves

79 questions

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18

Chapter 18: Geometrical optics

123 questions

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19

Chapter 19: Optical Instruments

52 questions

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20

Chapter 20: Dispersion and Spectra

27 questions

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21

Chapter 21: Speed of Light

14 questions

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22

Chapter 22: Photometry

38 questions

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Question
Medium
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Solving time: 1 mins

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SELECT MULTIPLE OPTION

A
The nuclear force between two protons is always greater than the electromagnetic force between them

B
The electromagnetic force between two protons is always greater than the gravitational force between them

C
The gravitational force between two protons may be greater than the nuclear force between them

D
Electromagnetic force between two protons may be greater than the nuclear force acting between them

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Views: 6,032 students

Updated on: Jul 29, 2022

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Book:

Concepts of Physics (HC Verma Part I)

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Text SolutionText solutionverified iconVerified

(b) The electromagnetic force between two protons is always greater than the gravitational force between them.
(c) The gravitational force between two protons may be greater than the nuclear force between them.
(d) Electromagnetic force between two protons may be greater than the nuclear force acting between them.

The electromagnetic force between two protons is always greater than the gravitational force between them, because gravitational force is the weakest force in nature. We know that nuclear force is the strongest force in nature when the distance between two particles is less than . However, the gravitational as well as electromagnetic forces between two protons may be greater than the nuclear force acting between them when the distance between them is more than
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Practice questions from Concepts of Physics (HC Verma Part I)

Question 1
Easy
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Views: 5,788

In an imaginary atmosphere, the air exerts a small force F on any particle in the direction of the particle's motion. A particle of mass m projected upward takes time t  in reaching the maximum height and t in the return journey to the original point. Then:

  4. and depends on the mass of the particle.
Topic

Topic:

Laws of motion

Book

Book:

Concepts of Physics (HC Verma Part I)

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Question 2
Easy
Views

Views: 5,486

If you jump barefoot on a hard surface, your legs are injured. But they are not injured if you jump on a soft surface like sand or pillow. Why?
Topic

Topic:

Laws of motion

Book

Book:

Concepts of Physics (HC Verma Part I)

View solution

Question 3
Easy
Views

Views: 5,833

A boy puts a heavy box of mass M on his head and jumps from the top of a multi-storied building to the ground. What is the force exerted by the box on the boy's head during his free fall? Does the force greatly increase during the period he balances himself after striking the ground?
Topic

Topic:

Laws of motion

Book

Book:

Concepts of Physics (HC Verma Part I)

View 6 solutions

Question 4
Medium
Views

Views: 5,939

At what distance should two charges, each equal to 1 C, be placed so that the force between them equals your weight ?
Topic

Topic:

Laws of motion

Book

Book:

Concepts of Physics (HC Verma Part I)

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Practice more questions from Laws of motion

Question 1
Medium
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Views: 6,291

In the figure a smooth pulley of negligible weight is suspended by a spring balance. Weights of and 5 kg are attached to the opposite ends of a string passing over the pulley and move with acceleration because of gravity. During their motion, the spring balance reads a weight of
  2. Less than
  3. More than
  4. May be more or less than
Topic

Topic:

Laws of motion

View 3 solutions

Question 2
Medium
Views

Views: 5,902

A block is being pushed against a wall by a force as shown in figure. The coefficient of friction is 0.5. The magnitude of acceleration of the block is
Topic

Topic:

Laws of motion

View 4 solutions

Question 3
Medium
Views

Views: 5,864

Two blocks and of mass and respectively are connected by a string, passing over a light frictionless pulley. Both the blocks are resting on a horizontal floor and the pulley is held such that string remains just taut. At the moment , a force starts acting on the pulley along vertically upward direction as shown in figure. Calculate
(a) Velocities of when loses contact with the floor.
(b) Height raised by the pulley upto that instant.
Topic

Topic:

Laws of motion

Book

Book:

Physics Galaxy Mechanics Vol 1 (Ashish Arora)

View 2 solutions

Question 4
Medium
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Views: 6,346


A mass of rests on a horizontal plane. The plane is gradually inclined until at an angle with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface?
Topic

Topic:

Laws of motion

Book

Book:

Physics Part-I (NCERT)

View 7 solutions

Practice questions on similar concepts asked by Filo students

Question 1
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Views: 5,814

Example : The diameter of a rod is measured with micrometer screw gauge for three times as , and . Calculate percentage error in measuring diameter of rod if zero error of micrometer is . (Note : Actually, sufficient large number of readings should be taken, but here for simplicity only three readings are taken.)
Topic

Topic:

Heat & Thermodynamics

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Question 2
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Views: 5,397

the distance of from wire and from wire BEGINNER'S BOX-4 Two point charges and are apart. Sketch the lines of force and calculate the distance of neutral point from charge. A charge is uniformly distributed over a large plastic (non-conducting) sheet. The electric field at a point close to the centre of the plate near the surface is . If the plate is replaced by a copper plate of the same geometrical dimensions and carrying the same charge , then what is the electric field at that point? What is the net flux of a uniform electric field through a cube of side oriented such that its faces are parallel to the coordinate planes? Charges and lie inside and outside a closed surface respectively. Let be the field at any point on
Topic

Topic:

Electrostats

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Question 3
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Views: 5,571

4) Two generators are supplying active 1 point power at lagging and at pf lagging respectively to a load . The current through the load is rms. Calculate the voltage across the load and the power factor of the load. lag lead lead
Topic

Topic:

Mechanics

View solution

Question 4
Views

Views: 5,239

Dehra Dun fud a variety of
  1. Birds
  2. anitra/s
  3. rocks
  4. Nore of these
Topic

Topic:

Electrostats

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Question Text
Mark the correct statements :
Updated OnJul 29, 2022
TopicLaws of motion
SubjectPhysics
ClassClass 11
Answer TypeText solution:1 Video solution: 4
Upvotes664
Avg. Video Duration3 min