What happens when you run a plastic comb through your dry and non-oily hair and then hold the comb above bits of paper...? Mcqs

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What happens when you run a plastic comb through your dry and non-oily hair and then hold the comb above bits of paper...?

(A) Bits of paper get instantly attracted to the comb
(B) Bits of paper remain unaffected

(C) Bits of paper start to repel the comb
(D) Bits of paper start to stick to your hair

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Mass spectrograph was Invented by...?

(A) Rutherford
(B) Chadwik

(C) F.W.Aston
(D) None of these

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An astronaut sees the colour of the sky as: _________...?

(A) Blue
(B) White

(C) Red
(D) Black

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Removal of extra liquid water is _____...?

(A) Exudation
(B) Guttation

(C) Respiration
(D) Transpiration

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In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________...?

(A) Electroplating
(B) Annealing

(C) Galvanization
(D) Vulcanization

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Dinosaurs and many other species were extinct about ________ years ago....?

(A) 55 million
(B) 66 million

(C) 75 million
(D) 85 million

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According to the theory of relativity, which of the following always remains constant ...?

(A) Length of an object
(B) Time

(C) Space
(D) Velocity of light

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The process whereby energy is dissipated from the oscillating system is called__________...?

(A) Oscillation
(B) Damping

(C) Resonance
(D) None of these

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How many proton is present in the nucleus of Protium isotope...?

(A) 3
(B) 2

(C) 1
(D) 0

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What inspired reflecting road lights to be invented...?

(A) Car door reflecting mirrors
(B) The light a cat’s eyes gave off on a fence

(C) Sun light on steel posts on road sides
(D) The sun light on the windshield

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