AIIMS (All India Institute of Medical Sciences) Physics: Questions 287 - 291 of 500

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Question number: 287

» Magnetic Effects of Current and Magnetism » Biot - Savart Law

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MCQ▾

Question

A closely wound flat circular coil of 30 turns of wire has diameter of 12 cm and carries a current of 6 ampere. Determine the magnetic flux density at the centre of the coil:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 288

» Oscillations and Waves » Periodic Motion - Period Frequency

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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.

Question number: 289

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

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Appeared in Year: 2003

Assertion-Reason▾

Question

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.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are false

d.

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

Question number: 290

» Wave Optics » Interference

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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.

8: 1

c.

18: 1

d.

16: 1

Question number: 291

» Atoms and Nuclei » Composition and Size of Nucleus

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

Einstein

b.

Pauli

c.

Curie

d.

Pauling

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