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
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 | |
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| a. | 644.8 Hz |
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| b. | 733.3 Hz |
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| c. | 481.2 Hz |
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| d. | 286.5 Hz |
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Question number: 163
» Oscillations and Waves » Simple Harmonic Motion » Energy
Appeared in Year: 2001
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 | |
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| a. | 4a |
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| b. | a |
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| c. | 8a |
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| d. | 2a |
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Question number: 164
» Kinetic Theory of Gases » Equation of State of a Perfect Gas
Appeared in Year: 1982
Question
Two gases of equal molar mass are in thermal equilibrium. If, , and are their respective pressures and volumes, then which relation is true –
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Question number: 165
» Communication System » Amplitude and Frequency Modulation
Appeared in Year: 2006
Question
Given below is a 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 –
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Question number: 166
» Oscillations and Waves » Standing Waves in Strings and Organ Pipes
Appeared in Year: 2000
Question
A standing wave having 3 nodes and 2 antinodes is formed between distances then the wavelength is
[AIPMT-98, AIIMS]
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