Physics Objective Type Questions and Answers - 1

Question: 1

The audible frequency range of a human ear is

(A) 2 Hz to 20 Hz

(B) 20 Hz to 200 Hz

(C) 20 Hz to 20000 Hz

(D) 200 Hz to 2000 Hz

Ans: C

20 Hz to 20000 Hz

Question: 2

Which one of the following laws is explained by the statement that matter can neither be created for destroyed?

(A) Le Chatelier’s principle

(B) Law of Conservation of Mass

(C) Law of Conservation of Energy

(D) Law of Osmosis

Ans: B

Law of Conservation of Mass

Question: 3

Rocket works on the principle of

(A) Conservation of momentum

(B) Conservation of mass

(C) Conservation of energy

(D) None of these

Ans: A

Conservation of momentum

Question: 4

In storms, the roofs of some houses are carried away. This is in accordance with

(A) Bernoulli’s principle

(B) Archimedes principle

(C) Law of inertia

(D) Pascal’s law

Ans: A

Bernoulli’s principle

Question: 5

A cut diamond sparkles because of its

(A) Absorption of light by the diamond

(B) Emission of light by the diamond

(C) High refractive index

(D) Hardness

Ans: C

High refractive index

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