AIIMS (All India Institute of Medical Sciences) Physics: Questions 288 - 293 of 500

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Question number: 288

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

Question

At a certain instant of time, displacement of a harmonically oscillating body is and acceleration is and amplitude is 0.08 m. So what is the velocity of the oscillator at this instant of time?

Choices

Choice (4) Response

a.

b.

c.

d.

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Question number: 289

» Dual Nature of Matter and Radiation » Dual Nature of Radiation

Appeared in Year: 2003

Assertion-Reason▾

Assertion (Ꭺ)

A tube light emits white light.

Reason (Ꭱ)

Emission of light in a tube takes place at a very high temperature.

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

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Question number: 290

» Wave Optics » Interference

MCQ▾

Question

The ratio of intensities of two waves is 25: 9. When they superimpose, the ratio of maximum to minimum intensity will become –

Choices

Choice (4) Response

a.

9: 1

b.

16: 1

c.

8: 1

d.

18: 1

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Question number: 291

» Atoms and Nuclei » Composition and Size of Nucleus

MCQ▾

Question

The proposal that no more than two electrons may occupy a particular atomic orbital was made be –

Choices

Choice (4) Response

a.

Curie

b.

Pauling

c.

Pauli

d.

Einstein

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Question number: 292

» Laws of Motion » Law of Conservation of Linear Momentum

MCQ▾

Question

A particle of mass ‘m’ moving with velocity collides inelastically with a stationary particle of mass ‘3m’. The speed of the system after collision will be

Choices

Choice (4) Response

a.

b.

c.

d.

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Question number: 293

» Oscillations and Waves » Harmonics

MCQ▾

Question

A boat at anchor is rocked by waves whose crests are 240 m apart and velocity is. The boat bounces up once in every –

Choices

Choice (4) Response

a.

4 s

b.

12 s

c.

0.125 s

d.

8 s

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