NTPC CBT-2 Physics Quiz - 55

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Question 1:

A falling drop of rain water ac-quires the spherical shape due to  ?

Question 2:

A spherical ball made of steel when dropped in mercury container will–

Question 3:

The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as–

Question 4:

Gamma rays have greatest similarity with –

Question 5:

In the absence of an ozone layer, Which rays will enter the atmosphere?

serach-testwale
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