NTPC CBT-2 Physics Quiz - 56

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Question 1:

Minimum numbers of unequal vectors which can give zero resultant are -

Question 2:

Which among the following waves is used for communication by artificial satellites?

Question 3:

Energy is continuously created in the sun due to –

Question 4:

When the barometer reading dips suddenly, it is an indication of –

Question 5:

The fourth state of matter is known as-