The phenomenon of dispersion light can be observed experimentally by passing a white light through ____...? Mcqs

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The phenomenon of dispersion light can be observed experimentally by passing a white light through ____...?

(A) Lens
(B) Prism

(C) Mirror
(D) Grating

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If input of a NOT gate is "1" then its output is _____...?

(A) 1
(B) 0

(C) May be 1 or may be 0
(D) None of these

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___________ is a star at the center of the solar system...?

(A) Earth
(B) Mercury

(C) Sun
(D) Venus

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With the rise in temperature, metals conductivity____________...?

(A) Remains same
(B) Increases

(C) Decreases
(D) None of these

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Fatal degenerative lung disease caused by particulate asbestos is referred to as _____________...?

(A) asbestosis
(B) asthma

(C) allergy
(D) sinusitis

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The reaction which releases or gives off heat is called...?

(A) Exothermic Reaction
(B) Endothermic Reaction

(C) Oxidation Reaction
(D) Neutralization Reaction

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Optic fibers are mainly used for which of the following:...?

(A) Communication
(B) Weaving

(C) Food indudtry
(D) None of these

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Rainbow is seen after rain because of hanging molecules of water which act as __________...?

(A) Lens
(B) Prism

(C) Mirror
(D) Slabs

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For being able to see three-dimensional pictures we have to use_________...?

(A) A binocular
(B) A camera

(C) An epidiascope
(D) A stereoscope

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The deficiency of vitamin E causes _______ ...?

(A) Weak immune system
(B) Weak bones

(C) Lack of appetite
(D) Sterility

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