measurement and SI units - Category wise Question and Answer Practice Test with Solutions

Question : 21 [PCS (Pre) 2005]

Ampere is the unit of

a) Resistance

b) Voltage

c) Electric current

d) Power

Question : 22

A body is projected vertically upwards with a velocity of 96 ft/s. What is the total time for which the body will remain in the air?

a) 9s

b) 3s

c) 6s

d) 12s

Question : 23 [NDA]

If an object undergoes a uniform circular motion, then its

a) speed changes

b) acceleration remains uniform

c) velocity changes

d) velocity remains uniform

Question : 24

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

a) 1 4 3 2

b) 2 4 3 1

c) 2 3 4 1

d) 1 3 4 2

Question : 25 [UP UDA/LDA (Pre) 2013]

A nanometre is equal to

a) $10^{-8}$ cm

b) $10^{-6}$ cm

c) $10^{-7}$ cm

d) $10^{-9}$ cm