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Q:

If the frequency of a sound wave of given velocity is increased , how will it affect its wavelength?

A) Its wavelength will increase B) The wavelength will not be affected
C) Its wave length will decrease D) Wavelength will keep increasing and decreasing alternately

Answer:   C) Its wave length will decrease



Explanation:
Subject: Physics
Exam Prep: Bank Exams
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An object, starting from rest, moves with constant acceleration of 4 m/s2. After 8 s, its speed is

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A body is initially moving with a velocity of 10 m/s. It undergoes an acceleration of 2 m/s2 for 5 seconds. Find the displacement (in m) of this body in these 5 seconds.

 

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Answer & Explanation Answer: D)  75

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