Law of conservation of momentum defines that the total momentum of a system of two bodies before and after collision ______...? Mcqs

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Law of conservation of momentum defines that the total momentum of a system of two bodies before and after collision ______...?

(A) Remains constant
(B) Retains more momentum

(C) Losses some momentum
(D) None of the above is true

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Wind always blows from area of ________...?

(A) Low pressure to high pressure
(B) High pressure to low pressure

(C) Only low pressure
(D) Only high pressure

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Ozone layer is part of ______...?

(A) Mesosphere
(B) Stratosphere

(C) Thermosphere
(D) Troposphere

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Evaporation from ice and snow is known as___________...?

(A) evaporation
(B) sublimation

(C) hydrogenation
(D) insolation

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Part of earth where life exists is called ______...?

(A) Lithosphere
(B) Atmosphere

(C) Biosphere
(D) Hydrosphere

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We always see the same face of the moon, because...?

(A) It is smaller than the earth
(B) It revolves on its axis in a direction opposite to that of the earth

(C) It takes equal time for revolution around the earth and rotation on its own axis
(D) It rotates at the same speed as the earth around the sun

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Synthetic resins are used on places where _______...?

(A) Electric resistance is required
(B) Water resistance is required

(C) Adhesion is required
(D) Friction is required

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The good sources of Vitamin-B Complex are...?

(A) green leafy vegetables
(B) seeds

(C) fresh vegetables and fruits
(D) sea foods

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Which Part of an egg contains Protein...?

(A) White
(B) Yellow

(C) Shell
(D) None of these

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Ozone layer exist above the earth about ______...?

(A) 35km
(B) 25km

(C) 40km
(D) 30km

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