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Everyday Science Questions & Answers Section 157

This is the 157 section from Everyday Science. These questions and answers will be from Microscope, Nitrogen, Oxygen and Retina.

Ques No.1: Dr. Abdus Salam of Pakistan was one of the contributors of the _______.

Ans: unification of Electromagnetic force and weak nuclear force

Ques No.2: Magnifying power of a simple microscope can be increased by _________.

Ans: decreasing focal length of the lens

Ques No.3: ________ gas as the composition of Nitrogen and Oxygen.

Ans: Laughing

Ques No.4: Twinkling of stars is caused by __________.

Ans: Refraction of light

Ques No.5: Sensitive layer of the eye is _______.

Ans: Retina

Ques No.6: The deepest place on earth is _________.

Ans: Mariana trench

Ques No.7: The name of the common mineral salt present in sweat is _________.

Ans: Sodium Chloride

Ques No.8: ______ is the unit for measuring the flow of liquids/flow rate, equal to one cubic foot per second.

Ans: Cusec

Ques No.9: Study of life in outer space is known as _________.

Ans: Exobiology

Ques No.10: A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used __________.

Ans: To detect nuclear radiation

Read more:

Everyday Science Questions & Answers Section 158
Everyday Science Questions & Answers Section 159
Everyday Science Questions & Answers Section 160
Everyday Science Questions & Answers Section 161
Everyday Science Questions & Answers Section 162

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