Which gas present in the Earth's atmosphere can absorb solar ultraviolet radiation...? Mcqs

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Which gas present in the Earth's atmosphere can absorb solar ultraviolet radiation...?

(A) Oxygen
(B) Ozone

(C) Carbon dioxide
(D) Nitrogen

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Electron was discovered by...?

(A) JJ Thomson
(B) Ruther ford

(C) Goldstein
(D) None of these

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Rocket propulsion is based on...?

(A) Einstein's Theory of Relativity
(B) Newton's second law of motion

(C) Newton's third law of motion
(D) None of these

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Hemisphere is warmer according to...?

(A) Northern to Southern
(B) Southern to Northern

(C) Same Rate
(D) None of these

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Water _______ at 32° Fahrenheit and boils at 212° Fahrenheit...?

(A) Freeze
(B) Frozen

(C) Freezes
(D) None of these

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If there is no Sun, The color of the sky would be ...?

(A) Orance
(B) Blue

(C) Yellow
(D) None of these

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The theory about the beginning of the universe by a huge explosion is called...?

(A) Binary
(B) Black Hole

(C) Big Bang
(D) Steady State

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Radioactivity measured by which device:...?

(A) Radioactivity meter
(B) Geiger counter

(C) Roll counter
(D) None of these

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Water drops are spherical because of...?

(A) Air pressure
(B) Density

(C) Viscosity
(D) Surface tension

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Electrons were discovered by...?

(A) Alarm Burg
(B) JC Bose

(C) JJ Thomson
(D) Christopher Columbus

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