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

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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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The Planet with shortest daytime is...?

(A) Saturn
(B) Jupiter

(C) Neptune
(D) Mars

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Solar system consists of...?

(A) Eight Planets
(B) Nine Planets

(C) Ten Planets
(D) Eleven Planets

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Existence of an element in more than one form in the same physical state is called:...?

(A) Allotropic
(B) Pleiotropy

(C) Heterotrophy
(D) None of these

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Decibel is a unit used for:...?

(A) Speed of light
(B) Intensity of sound

(C) Intensity of heat
(D) None of these

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Which of the following is the lightest metal:...?

(A) Mercury
(B) Silver

(C) Lead
(D) Lithium

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Who among the following proposed Laws of planetary motion...?

(A) Roger Bacon
(B) Isaac Newton

(C) Johannes Kepler
(D) Galileo

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Who among the following invented steam engine...?

(A) Enrico Fermi
(B) James Watt

(C) James Boyle
(D) None of these

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Sound travels fastest in:...?

(A) Solid
(B) Liquid

(C) Gas
(D) None of these

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______ projections can be drawn taking the help of a source of light by projecting the image of a network of parallels...?

(A) Perspective
(B) Conformal

(C) Cylindrical
(D) Conic

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