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A solid sphere falls with a terminal velocity of 20 {~m} {~s}^
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

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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

Q1
A piece of wood is taken deep inside a long column of water and released. It will move up
Q2
A solid sphere falls with a terminal velocity of in air. If it is allowed to fall in vacuum
Q3
A spherical ball is dropped in a long column of a viscous liquid. The speed of the ball as a function of time may be best represented by the graph 
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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
Easy
Timing Icon

Solving time: 2 mins

A solid sphere falls with a terminal velocity of in air. If it is allowed to fall in vacuum

A
Terminal velocity will be

B
Terminal velocity will be less than

C
Terminal velocity will be more than

D
There will be no terminal velocity.

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Views: 5,446 students

Updated on: Oct 6, 2023

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Book:

Concepts of Physics (HC Verma Part I)

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Text SolutionText solutionverified iconVerified

In vacuum, no viscous force exists. The sphere therefore, will have constant acceleration because of gravity. An accelerated motion implies that it won't have uniform velocity throughout its motion. In other words, there will be no terminal velocity.  
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Practice questions from Concepts of Physics (HC Verma Part I)

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A heave uniform rod is hanging vertically form a fixed support. It is stretched by its won weight. The diameter of the rod is
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  2. Largest at the top and gradually decreases down the rod
  3. Uniform everywhere
  4. Maximum in the middle
Topic

Topic:

Mechanical Properties of Solids

Book

Book:

Concepts of Physics (HC Verma Part I)

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Consider a small surface area of at the top of a mercury drop of radius . Find the force exerted on this area
(a) by the air above it
(b) by the mercury below it and
(c) by the mercury surface in contact with it.
Atmospheric pressure and surface tension of mercury . Neglect the effect of gravity. Assume all numbers to be exact.
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Topic:

Mechanical Properties of Solids

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Book:

Concepts of Physics (HC Verma Part I)

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Question 3
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A rope 1 cm in diameter breaks if the tension in it exceeds 500 N. The maximum tension that may be given to a similar rope of diameter 2 cm is
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Concepts of Physics (HC Verma Part I)

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Question 4
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A student plots a graph from his reading on the determination of Young modulus of a metal wire but forgets to put the labels, the quantities on X and Y-axes may be respectively
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  2. Stress applied and length increased
  3. Stress applied and strain developed
  4. All of the above
Topic

Topic:

Mechanical Properties of Solids

Book

Book:

Concepts of Physics (HC Verma Part I)

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Which of the following is wrong regarding Searle's apparatus method in finding Young's modulus of a given wire ?
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A uniform metal rod fixed at its ends of cross-section is cooled from to . The coefficient of the linear expansion of the rod is per degree celsius and its Young's modulus of elasticity is . The energy stored per unit volume of the rod is
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If the length of a wire is reduced to half, then it can hold the ......... load :
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Question Text
A solid sphere falls with a terminal velocity of in air. If it is allowed to fall in vacuum
Updated OnOct 6, 2023
TopicMechanical Properties of Solids
SubjectPhysics
ClassClass 11
Answer TypeText solution:1 Video solution: 7
Upvotes806
Avg. Video Duration4 min