Which of the following gases has an important role in maintaining atmospheric temperature...? Mcqs

Latest MCQs

Which of the following gases has an important role in maintaining atmospheric temperature...?

(A) Nitrogen
(B) Argon

(C) Oxygen
(D) Carbon dioxide

Latest MCQs

Optical fiber works on the principle of ______...?

(A) Scattering
(B) Total Internal Reflection

(C) Interference
(D) Principle of refraction

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In SI unit of time Picosecond is equal to how many seconds:...?

(A) 10
(B) 10-12

(C) 10-18
(D) None of these

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The nonrenewable source of energy is:...?

(A) Wind energy
(B) Solar energy

(C) Hydropower
(D) None of these

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Which planet takes the longest time to go once around the Sun...?

(A) Neptune
(B) Mars

(C) Jupiter
(D) Earth

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Who invented the steam engine...?

(A) James Watt
(B) Faraday

(C) Bessel
(D) All of these

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Air is a mixture of _______...?

(A) Solid
(B) Liquid

(C) Gas
(D) None of these

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What is the boiling point of water...?

(A) 60 °C
(B) 80 °C

(C) 100 °C
(D) 120 °C

Latest MCQs

The energy generation in starts is due to ...?

(A) Fission of heavy nuclei
(B) Fusion of light nuclei

(C) Fusion of heavy nuclei
(D) None of these

Latest MCQs

Jupiter is bigger than the earth...?

(A) 7 Times
(B) 11 Times

(C) 50 Times
(D) 100 Times

Best of Luck

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