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Everyday Science Questions & Answers Section 28

Ques No.1: Which from the following is true for "Sound"?

Ans: Sound cannot travel through a vacuum

Ques No.2: When white light is passed through a prism, it splits into______colors.

Ans: 6

Ques No.3: 1 nanometer ?

Ans: 10^-9 meter

Ques No.4: Instrument used for measuring very high temperature is

Ans: Pyrometer

Ques No.5: Sound waves are__________waves.

Ans: Longitudinal

Ques No.6: The lifespan of White Blood Cells is_______day(s).

Ans: 1

Ques No.7: The fluid part of blood is known as

Ans: Plasma

Ques No.8: X-rays were discovered by

Ans: Rontgen

Ques No.9: The speed of light is

Ans: 300,000 km/s

Ques No.10: During winter in cold countries, the________is mixed to melt the ice on the icy roads.

Ans: Salt

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