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If a mosquito is dipped into water and released, it is not abl
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
When a glass capillary tube is dipped at one end in water, water rises in the tube. The gravitational potential energy is thus increased. Is it a violation of conservation of energy?
Q2
If a mosquito is dipped into water and released, it is not able to fly till it is dry again. Explain 
Q3
The force of surface tension acts tangentially to the surface whereas the force due to air pressure acts perpendicularly on the surface. How is then the force due to excess pressure inside a bubble balanced by the force due to the surface tension?
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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
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Solving time: 2 mins

If a mosquito is dipped into water and released, it is not able to fly till it is dry again. Explain 

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Views: 5,701 students

Updated on: Apr 12, 2022

Book

Book:

Concepts of Physics (HC Verma Part I)

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If a mosquito is dipped into water and released, it is not able to fly till it is dry again. Explain 
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Text SolutionText solutionverified iconVerified

A mosquito thrown into water has its wings wetted. Now, wet wing surfaces tend to stick together because of the surface tension of water. This does not let the mosquito fly. 
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Practice questions from Concepts of Physics (HC Verma Part I)

Question 1
Easy
Views

Views: 5,816

The force of viscosity is
  1. Electromagnetic
  2. Gravitational
  3. Nuclear
  4. Weak
Topic

Topic:

Mechanical Properties of Solids

Book

Book:

Concepts of Physics (HC Verma Part I)

View 2 solutions

Question 2
Easy
Views

Views: 5,525

When a metal wire elongates by hanging a load on it, the gravitational potential energy is decreased.
  1. This energy completely appears as the increased kinetic energy of the block.
  2. This energy completely appears as the increased elastic potential energy of the wire.
  3. This energy completely appears as heat.
  4. None of these.
Topic

Topic:

Mechanical Properties of Solids

Book

Book:

Concepts of Physics (HC Verma Part I)

View 3 solutions

Question 3
Medium
Views

Views: 5,492

Two persons pull a rope towards themselves. Each person exerts a force of on the rope. Find the Young modulus of the material of the rope if it extends in length by . Original length of the rope and the area of cross section .
Topic

Topic:

Mechanical Properties of Solids

Book

Book:

Concepts of Physics (HC Verma Part I)

View solution

Question 4
Medium
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Views: 5,426

A capillary tube of radius is dipped vertically in a pot of water. Find the difference between the pressure of the water in the tube below the surface and the atmospheric pressure. Surface tension of water .
Topic

Topic:

Mechanical Properties of Solids

Book

Book:

Concepts of Physics (HC Verma Part I)

View 3 solutions

Practice more questions from Mechanical Properties of Solids

Question 1
Medium
Views

Views: 5,698

A metal wire is stretched by a small amount so as to produced a strain in it. is Young's modulus of the material. Write the elastic energy density in the wire.
Topic

Topic:

Mechanical Properties of Solids

Book

Book:

Physics for JEE Main and Advanced Mechanics 2 (McGraw Hill)

View solution

Question 2
Medium
Views

Views: 5,669

Bulk modulus of water is . The change in pressure required to increase the density of water by is
Topic

Topic:

Mechanical Properties of Solids

View 5 solutions

Question 3
Easy
Views

Views: 6,569

A steel wire of length 4.7 m and cross-sectional area  stretches by the same amount as a copper wire of length 3.5 m and cross-sectional area of  under a given load. What is the ratio of the Youngs modulus of steel to that of copper ?
Topic

Topic:

Mechanical Properties of Solids

Book

Book:

Physics Part-II (NCERT)

View 14 solutions

Question 4
Medium
Views

Views: 5,949

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
Topic

Topic:

Mechanical Properties of Solids

View solution

Practice questions on similar concepts asked by Filo students

Question 1
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Views: 6,045

n's Theorem : If is at equilibrium then the values of the tension and are , if is vertically down. Then are 1) 2).
Topic

Topic:

Mechanics

View solution

Question 2
Views

Views: 5,081

Planeks constant , spegd of light and gravitational constant are used to form a unit of length and a unit of mass . Then the correct option(s) is(are)
  1. er
Topic

Topic:

Optics

View 4 solutions

Question 3
Views

Views: 5,071

ii) ভরের পৃথিবীকে কেন্দ্র করে ব্যাসার্ধের বৃত্তপথে ঘূর্ণায়মান ভরের একটি কৃত্রিম উপগহের মোটশক্তির রাশিমালা নির্ণয় করো ।
Topic

Topic:

Gravitation and Fluid

View solution

Question 4
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Views: 6,015

I wheel is making revolutions about its axis with 2. A wheel rotating with uniform angular acceleration unform angular acceleration. Starting from rest, it covers 50 revolutions in the first five seconds after the start. Find the angular acceleration and the angular velocity at the end of five seconds. 3. A wheel starting from rest is uniformly accelerated at for 10 seconds. It is allowed to rotate uniformi
Topic

Topic:

Mechanics

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Question Text
If a mosquito is dipped into water and released, it is not able to fly till it is dry again. Explain 
Updated OnApr 12, 2022
TopicMechanical Properties of Solids
SubjectPhysics
ClassClass 11
Answer TypeText solution:1 Video solution: 1
Upvotes115
Avg. Video Duration2 min