Work, Energy and Power (AIIMS (All India Institute of Medical Sciences) Physics): Questions 15 - 19 of 25

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Question number: 15

» Work, Energy and Power » Kinetic Energy

MCQ▾

Question

Two bodies with kinetic energies in the ratio of Equation are moving with equal linear momentum. The ratio of their masses is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation Equation

d.

Equation

Question number: 16

» Work, Energy and Power » Work-Energy Theorem

MCQ▾

Question

A bullet loses Equation of its velocity when it passes through a plank. Find the maximum number of planks through which it can pass.

Choices

Choice (4) Response

a.

10

b.

5

c.

3

d.

9

Question number: 17

» Work, Energy and Power » Conservative and Non-Conservative Forces

MCQ▾

Question

A water drop of mass Equation is introduced between two plates with separationEquation . Calculate the force of attraction between the plates.

Choices

Choice (4) Response

a.

1.8 N

b.

2.8 N

c.

1.0 N

d.

3.2 N

Question number: 18

» Work, Energy and Power » Kinetic Energy

MCQ▾

Question

Find the mean translation kinetic energy of an oxygen molecule at 270 C. (Given: Avogadro number Equation and Equation ).

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 19

» Work, Energy and Power » Work-Energy Theorem

MCQ▾

Question

A block of mass 20 kg is moving in x-direction with a constant speed ofEquation . It is subjected to a retarding force Equation during its travel fromEquation to Equation . Its final kinetic energy will be –

Choices

Choice (4) Response

a.

500 joules

b.

850 joules

c.

750 joules

d.

920 joules

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