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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A rocket needs the speed of .......... to escape from earth's gravity...?

(A) 22 miles per second
(B) 15 miles per second

(C) 12 miles per second
(D) 7 miles per second

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Which planet in the solar system is farthest from the sun...?

(A) Mercury
(B) Neptune

(C) Venus
(D) Mars

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What is the meaning of Latin word “Aqua”...?

(A) Water
(B) Earth

(C) Fire
(D) Air

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Dr Abdus Salam was awarded Nobel Prize having work on which basic forces...?

(A) Electromagnetic and Molecular
(B) Electromagnetic and Electromotive

(C) Weak and Electro Magnetic
(D) None of these

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Which planet has a similar size as Earth...?

(A) Venus
(B) Mars

(C) Uranus
(D) None of these

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Which theory revolutionized the idea of Space and Time:...?

(A) Classical field theory
(B) Classical mechanics

(C) Theory of special relativity
(D) None of these

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Water drops are spherical because of...?

(A) Air pressure
(B) Density

(C) Viscosity
(D) Surface tension

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Electron was discovered by...?

(A) JJ Thomson
(B) Ruther ford

(C) Goldstein
(D) None of these

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The 2nd smallest planet in our solar system is ___________...?

(A) Mars
(B) Mercury

(C) Uranus
(D) None of these

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