NTPC CBT-2 Physics Quiz - 46

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Question 1:

Which of the following body parts needs the longest exposure for an X- ray Image?

Question 2:

Parsec is the unit of measurement of?

Question 3:

Energy is continuously created in the sun due to –

Question 4:

Which one of the following substances is used in photography and also as an antichlor?

Question 5:

Who invented the Universal Serial Bus (USB) ?