Modern Physics Quiz Questions and Answers - 1

Question: 1

The strongest force in the nature is

(A) Magnetic force

(B) Nuclear force

(C) Electric force

(D) Gravitational force

Ans: B

Nuclear force

Question: 2

The wavelength of the matter waves is independent of

(A) Mass

(B) Velocity

(C) Momentum

(D) Charge

Ans: D


Question: 3

Neutron was discovered by

(A) Rutherford

(B) James Chadwick

(C) J.J. Thomson

(D) Henry Becquerrel

Ans: B

James Chadwick

Question: 4

In nuclear reaction, there is conservation of

(A) Mass only

(B) Energy only

(C) Mass energy and momentum

(D) Momentum only

Ans: C

Mass energy and momentum

Question: 5

Hydrogen bomb is based upon the principle of

(A) Controlled nuclear fission

(B) Nuclear fission

(C) Nuclear fusion

(D) None of the above

Ans: C

Nuclear fusion

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