The energy of the Sun is produced by?
(A) by oxidation
(B) by nuclear fission
(C) by ionization
(D) by nuclear fusion
What will remain unchanged if the quantity of the commodity changes?
(A) Volume
(B) Density
(C) mass
(D) load
Which of the following quantities is not a vector?
(A) Velocity
(B) Volume
(C) Displacement
(D) force
Which scientist first melted two pieces of ice by rubbing them together?
(A) Celsius
(B) Joule
(C) Davy
(D) none of these
Which physical quantity is obtained from the ratio of momentum and velocity of matter?
(A) Velocity
(B) mass
(C) Angular velocity
(D) Acceleration
The correct answer is Mass. Mass is a quantitative measure of inertia, a fundamental property of all matter. It is the resistance that a body of matter offers to a change in its speed or position upon the application of a force. Mass is represented by the ratio of momentum and velocity of the body.
Who propounded the universal law of gravitation?
(A) Galileo
(B) Newton
(C) Copernicus
(D) none of these
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