EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 20 - Wave Motion on a String>KVPY Aptitude Test - Stream SX 2013>Q 4

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KVPY Aptitude Test - Stream SX

IMPORTANT

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The figure below shows pressure variation in two different sound waves in air with time at a given position. Both the figures are drawn to the same scale.

Which of the following statement is true?

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Important Questions on Wave Motion on a String

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KVPY Aptitude Test - Stream SX

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 20 - Wave Motion on a String>KVPY Aptitude Test - Stream SX (5 Nov 2017)>Q 5

A transverse wave of frequency

500 Hz

and speed

100 m s^{- 1}

is travelling in the positive,

x

direction on a long string. A time

t = 0 s

the displacements at

x = 0.0 m

and at

x = 0.25 m

are

0.0 m

and

0.02 m,

respectively. The displacement at

x = 0.2 m

at

t = 5 \times 10^{4} s

is,

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KVPY Aptitude Test - Stream SX

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 20 - Wave Motion on a String>KVPY Aptitude Test - Stream SX (19 Nov 2017)>Q 6

A closed pipe of length $300 cm$ contains some sand. A speaker is connected at one of its ends. The frequency of the speaker at which the sand will arrange itself in $20$ equidistant piles is close to (velocity of sound is $300 m s^{- 1}$ )

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