set 3 MCQ Questions & Answers Detailed Explanation

Question : 1

The smallest unit of length is

a) Angstrom

b) Micron

c) Nanometre

d) Fermimetre

Question : 2

A motor vechicle is moving on a circle with a uniform speed. The net acceleration of the vehicle is

a) away from the centre along the radius of the circle

b) zero

c) towards the centre of circle

d) perpendicular to the radius and along the velocity

Question : 3

Match List I (Units) with List II (Physical quantity) and select the correct answer using the codes given below the lists.

a) 1 2 4 3

b) 1 4 1 3

c) 1 2 3 4

d) 2 4 3 1

Question : 4

Practical unit of heat is

a) Joule

b) Calorie

c) Horse power

d) Watt

Question : 5

The unit of work is

a) Watt

b) Joule

c) Neutron

d) Dyne

Question : 6

Match List-I with List-II and select the correct answer using the code given below the lists.

a) 4 3 2 1

b) 3 1 4 2

c) 1 2 3 4

d) 2 4 1 3