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AIIMS (All India Institute of Medical Sciences) Physics: Questions 162 - 166 of 500

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Question 162

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Appeared in Year: 2002

Question

MCQ▾

A siren emitting sound of frequency 800 Hz is going away from a static listener with a speed of. Frequency of sound to be heard by the listener is (Velocity of sound)

Choices

Choice (4)Response
a.286.5 Hz
b.644.8 Hz
c.733.3 Hz
d.481.2 Hz

Question 163

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Appeared in Year: 2001

Question

MCQ▾

A sings with a frequency (n) and B sings with a frequency that of A. If the energy remains the same and the amplitude of A is a, then amplitude of B will be –

Choices

Choice (4)Response
a.4a
b.2a
c.a
d.8a

Question 164

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Appeared in Year: 1982

Question

MCQ▾

Two gases of equal molar mass are in thermal equilibrium. If, , and are their respective pressures and volumes, then which relation is true –

Choices

Choice (4)Response
a.
b.
c.
d.

Question 165

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Appeared in Year: 2006

Question

MCQ▾

Given below is a circuit diagram of an AM demodulator

Circuit diagram of an AM demodulator

Circuit Diagram of an AM Demodulator

Loading image

For good demodulation of AM signal of carrier frequency f, the value of RC should be –

Choices

Choice (4)Response
a.
b.
c.
d.

Question 166

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Appeared in Year: 2000

Question

MCQ▾

A standing wave having 3 nodes and 2 antinodes is formed between distances then the wavelength is

[AIPMT-98, AIIMS]

Choices

Choice (4)Response
a.
b.
c.
d.