AIIMS (All India Institute of Medical Sciences) Physics: Questions 122 - 125 of 500

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Question number: 122

» Work, Energy and Power » Power

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MCQ▾

Question

A body moves along the straight line by a machine delivering constant power. The distance moved by the body in time t is proportional to: -

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 123

» Electromagnetic Induction & Alternating Currents » Lenz's Law

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Appeared in Year: 1996

MCQ▾

Question

The bob of a simple pendulum is replaced by a magnet. The oscillations are set along the length of the magnet. A copper coil is added so that one pole of the magnet passes in and out of the coil. The coil is short-circuited. Then which of the following happens? [AIIMS]

Choices

Choice (4)Response

a.

Period decreases

b.

Period does not change

c.

Amplitude increases

d.

Oscillations are damped

Question number: 124

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

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Appeared in Year: 2004

MCQ▾

Question

A proton and an α-particle moving with the same velocity and enter into a uniform magnetic field which is acting normal to the plane of their motion. The ratio of the radii of the circular paths described by the proton and α-particle respectively – [AIIMS]

Choices

Choice (4)Response

a.

1: 16

b.

4: 1

c.

1: 2

d.

1: 4

Question number: 125

» Laws of Motion » Equilibrium of Concurrent Forces

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MCQ▾

Question

The forces, which meet at one point but their lines of action do not lie in one plane, are called:

Choices

Choice (4)Response

a.

Non-coplanar and concurrent forces

b.

Coplanar and non-concurrent forces

c.

Coplanar and concurrent forces

d.

Non-coplanar and non-concurrent forces

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