The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ...? Mcqs

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The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ...?

(A) Ionosphere
(B) Troposphere

(C) Mesosphere
(D) Stratosphere

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The variety of coal in which the deposit contains recognizable traces of the original plant material is____________...?

(A) bitumen
(B) anthracite

(C) lignite
(D) peat

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Albert Einstein was a____________...?

(A) Physicist
(B) Physician

(C) Chemist
(D) Biologist

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The rear view mirror of a motor vehicle is ________...?

(A) Concave
(B) Plane

(C) Convex
(D) Biconcave

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What type of Energy does spring have...?

(A) Elastic Potential Energy
(B) Kinetic Energy

(C) Potential Energy
(D) None of the above

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_________ contains ozone layer....?

(A) Thermosphere
(B) Exosphere

(C) Lithosphere
(D) Stratosphere

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A binocular uses _________ prisms to see distant objects....?

(A) Porro
(B) Schmidt

(C) Fresnel
(D) Kepler

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Transfer of internal energy by collision of particles and movements of electrons within the body is called...?

(A) Conduction
(B) Convection

(C) Radiation
(D) Insulation

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If a metal block applies a force of 20 N on an area of 5 cm2. Find the pressure being applied by the block on the area of _____ ...?

(A) 100 Ncm^-2
(B) 0.8 Ncm^-2

(C) 0.25 Ncm^-2
(D) 4 Ncm^-2

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Which mineral plays a role in developing bones and in metabolic processes...?

(A) Sodium
(B) Iodine

(C) Magnesium
(D) Copper

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