Oscillations and Waves-Speed of a Wave (AIIMS Physics): Questions 6 - 7 of 7

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Question number: 6

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

A tuning fork vibrating at 250 Hz produces a sound wave which travels in air at a speed 330ms . Find the distance travelled by sound during the time the fork makes 70 vibrations.

Choices

Choice (4) Response

a.

65.5 m

b.

70 m

c.

92.4 m

d.

82.6 m

Question number: 7

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

The velocities of sound at the same pressure in two monatomic gases of densities ρ1 and ρ2 are V1 and V2 respectively. If V1V2=5 , then the value of ρ1ρ2

Choices

Choice (4) Response

a.

5

b.

125

c.

25

d.

15

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