Day and night changes due to...? Mcqs

Latest MCQs

Day and night changes due to...?

(A) Earth' revolution
(B) Earth's rotation accompanied with its revolution

(C) Earth's rotation around its axis
(D) None of these

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Latest MCQs

The SI unit of "pressure" is:...?

(A) Pascal
(B) Joule

(C) Tesla
(D) Henry

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Latest MCQs

Sound travels fastest in:...?

(A) Solid
(B) Liquid

(C) Gas
(D) None of these

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Which base is employed as the electrolyte in alkaline batteries:...?

(A) Calcium hydroxide
(B) Potassium hydroxide

(C) Iron hydroxide
(D) Aluminum hydroxide

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Bakelite is a:...?

(A) Conductor
(B) Insulator

(C) Semiconductor
(D) None of these

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When light passes from one medium to another, this phenomenon of change in its direction is called:...?

(A) Refraction
(B) Reflection

(C) Diffraction
(D) Propagation

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Nuclear energy when expanded converts...?

(A) Proton into neurons
(B) Chemical into heat

(C) Nuclear into thermal
(D) None of these

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Which of the following is associated with Einstein...?

(A) Radio activity
(B) Theory of Relativity

(C) Rocket Propulsion
(D) Quantum Theory

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The 2nd smallest planet in our solar system is ___________...?

(A) Mars
(B) Mercury

(C) Uranus
(D) None of these

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The Planet with shortest daytime is...?

(A) Saturn
(B) Jupiter

(C) Neptune
(D) Mars

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