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Units and Measurements

Quick practice

Question 1 of 5

Consider the following statements

Statement I: The apparent change in pitch due to relative motion between the absorber and the source and sometime due to motion of the medium is called Doppler effect.

Statement II: The get planes or the supersonic plane sends a cracking sound called as sonic boom.

Choose the correct option given below 

A

Both statements I & II are correct

B

Statement I alone correct

C

Statement II alone correct

D

Both statements I & II are false

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