set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

200 gm of water is filled in a weightless balloon. Its weight in water will be

a) 100 gm

b) 200 gm

c) Zero

d) 400 gm

Question : 2

For a fluid which is flowing steadily, the level in the vertical tubes is best represented by

a)

b)

c)

d)

Question : 3

According to Hooke’s law of elasticity, if stress is increased, then the ratio of stress to strain

a) remains constant

b) becomes zero

c) decreases

d) increases