Modern Physics Quiz Questions and Answers - 2

Question: 6

Isotopes have the same

(A) Atomic number

(B) Mass number

(C) Avogadro’s number

(D) None of these

Question: 7

A good moderator should

(A) Not be a gas only

(B) Not have appetite for neutrons only

(C) Be light in mass number only

(D) Be all above three

Question: 8

The dual nature of light is exhibited by

(A) Diffraction and photoelectric effect

(B) Diffraction and reflection

(C) Refraction and interference

(D) Photoelectric effect

Question: 9

The main source of solar energy is

(A) Combustion

(B) Nuclear fission

(C) Nuclear fusion

(D) None of these

Question: 10

The important conclusion given by Millikan’s experiment about the charge is

(A) Charge is never quantized

(B) Charge has no definite value

(C) Charge is quantized

(D) Charge on oil drop always increases