General Knowledge Question Answer: Physics GK Questions and Answers

General Knowledge Physics Questions, Physics Quiz for Competitive Exams, Important Physics MCQs for GK

Q. The value of G in the formula for gravitational force depends on -
1) Mass of the earth only
2) The radius of earth only
3) Both mass and radius of earth
4) Neither mass nor the radius of earth

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Q. When a hanging carpet is beaten with a stick, the dust particles in it start coming out of it. This phenomenon can be explained by making use of -
1) Newton's first law of motion
2) Newton's second law of motion
3) Newton's third law of motion
4) Newton's law of gravitation

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Q. The numerical ratio of displacement to distance for a moving object is -
1) Always Less than 1
2) Equal to 1 or more than 1
3) Always more than 1
4) Equal to 1 or less than 1

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Q. Who was the first scientist of the world to use the symbols to represent elements in a shortway?
1) Dalton
2) Jons Jakob Berzelious
3) Neils Bohr
4) Dmitri Mendeleev

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Q. Which of the following is/ are physical changes?
I. Melting of iron rod
II. Rusting of iron metal
III. Bending of an iron rod
IV. Drawing a wire of iron metal
Correct code is -

1) Only I, II and III
2) Only I, II and IV
3) Only I, III and IV
4) Only II, III and IV

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Q. Milk of Magnesia is a -
1) Colloid
2) True solution
3) Homogeneous Mixture
4) Suspension

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Q. Which mineral is also known as fool's gold?
1) Quartz
2) Magneti
3) Pyrite
4) Fluorite

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Q. The physics phenomenon when, in polar regions like Alaska and Northern Canada, a splendid display of colours is seen in the sky is called a/an -
1) aurora borealis
2) star shower
3) active galactic nucleus
4) star's intrinsic luminosity

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Q. Which of the following metals in pure form has the highest melting point?
1) Tungsten
2) Copper
3) Platinum
4) Gold

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Q. All the mixtures containing a solid and a liquid can be separated by -
I. Centrifugation
II. Evaporation
III. Crystalisation
IV. Chromatography
Correct code is -

1) Only I
2) Only II and III
3) I, II, III and IV
4) Only III and IV

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