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

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Question number: 162

» Oscillations and Waves » Doppler Effect in Sound

Appeared in Year: 2002

MCQ▾

Question

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.

644.8 Hz

b.

733.3 Hz

c.

481.2 Hz

d.

286.5 Hz

Question number: 163

» Oscillations and Waves » Simple Harmonic Motion » Energy

Appeared in Year: 2001

MCQ▾

Question

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.

a

c.

8a

d.

2a

Question number: 164

» Kinetic Theory of Gases » Equation of State of a Perfect Gas

Appeared in Year: 1982

MCQ▾

Question

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 number: 165

» Communication System » Amplitude and Frequency Modulation

Appeared in Year: 2006

MCQ▾

Question

Given below is a circuit diagram of an AM demodulator

Circuit diagram of an AM demodulator

Circuit Diagram of an AM Demodulator

In figure circuit of an AM demodulator is shown. In which R and C parallel connected.

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 number: 166

» Oscillations and Waves » Standing Waves in Strings and Organ Pipes

Appeared in Year: 2000

MCQ▾

Question

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.

f Page