KVPY Stream SB-SX (Class 12 & 1st Year BSC) Physics: Questions 10 - 12 of 250

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Question number: 10

» Oscillations and Waves » Doppler Effect in Sound

Appeared in Year: 2010

MCQ▾

Question

Velocity of sound measured at a given temperature in oxygen and hydrogen is in the ratio –

Choices

Choice (4) Response

a.

32: 1

b.

4: 1

c.

1: 4

d.

1: 1

Question number: 11

» Oscillations and Waves » Simple Pendulum

Appeared in Year: 2011

MCQ▾

Question

If the speed (v) of the bob in a simple pendulum is plotted against the tangential acceleration (a), the correct graph will be represented by –

Choices

Choice (4) Response

a.

Graph of tangential acceleration verses speed: Choice A

Graph of Tangential Acceleration Verses Speed: Choice A

In figure the speed (V) of the bob in a simple pendulum is plotted against the tangential acceleration (a) is shown.

b.

Graph of tangential acceleration verses speed: Choice B

Graph of Tangential Acceleration Verses Speed: Choice B

In figure the speed (V) of the bob in a simple pendulum is plotted against the tangential acceleration (a) is shown.

c.

Graph of tangential acceleration verses speed: Choice C

Graph of Tangential Acceleration Verses Speed: Choice C

In figure the speed (V) of the bob in a simple pendulum is plotted against the tangential acceleration (a) is shown.

d.

 Graph of tangential acceleration verses speed: Choice D

Graph of Tangential Acceleration Verses Speed: Choice D

In figure the speed (V) of the bob in a simple pendulum is plotted against the tangential acceleration (a) is shown.

Question number: 12

» Oscillations and Waves » Periodic Functions

Appeared in Year: 2010

MCQ▾

Question

Two masses m1 and m2 connected by a spring of spring constant k rest on a frictionless surface. If the masses are pulled apart and let go, the time period of oscillation is –

Choices

Choice (4) Response

a.

T=2π1k(m1m2m1+m2)

b.

T=2πk(m1+m2m1m2)

c.

T=2πm2k

d.

T=2πm1k

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