set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

In the system shown, the masses are released from rest. What shall be the acceleration of the moving masses ?

a) g/3

b) g

c) 2g/3

d) g/2

Question : 2

Which unit of measurement is multiplied by 0.39 to convert it to ‘inches’?

a) Metre

b) Millimetre

c) Centimetre

d) Decimetre

Question : 3

An object is in uniform circular motion on a plane. Suppose that you measure its displacement from the centre along one direction, say, along the x-axis. Which one among the following graphs could represent this displacement (x)?

a)

b)

c)

d)

Question : 4

One pikogram is equal to

a) $10^{-12}$ gram

b) $10^{-6}$ gram

c) $10^{-9}$ gram

d) $10^{-15}$ gram

Question : 5

Which one of the following is the unit of measure of the thickness of the ozone layer of the atmosphere?

a) Poise

b) Knot

c) Dobson

d) Maxwell