NTPC CBT-2 Physics Quiz - 10

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Question 1:

Why kerosene oil rises up the wick in a lantern?

Question 2:

The Doppler effect is the change in frequency of a wave in relation to an observer who is moving relative to the wave source. Doppler effect is valid for

Question 3:

In household LPG cylinder pressure scale is not given because-

Question 4:

When a body moves with a uniform speed on a circular path then the acceleration of the body is-

Question 5:

Purity of Gold can be determined with the help of

Question 6:

Radioactivity was discovered by-

Question 7:

Energy in foods can be measured in which units-

Question 8:

The length of the shadow will be longest when the-

Question 9:

Water is not suitable as a calorimetric substance because it–

Question 10:

Which of the following statement is true?

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