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

measurement and SI units PRACTICE TEST [3 - EXERCISES]

set 1

set 2

set 3

Question : 16

An iron ball and a wooden ball of same radius are released from a height ‘h’ in vacuum. Which of the two balls would take more time to reach the ground?

a) Wooden ball

b) Iron ball

c) Both would take same time

d) None of these

Answer: (c)

Since the time of fall of both balls in a vacuum does not depend on the mass of balls, hence, the time taken by both balls will be exactly equal.

Question : 17

Among the following the derived quantity is

a) density

b) mass

c) length

d) time

Answer: (a)

Question : 18 [PCS (Pre) 2008]

What is the unit of atmospheric pressure?

a) Joule

b) Bar

c) Knot

d) Ohm

Answer: (b)

Question : 19 [SSC CGL]

'Farad' is the unit of

a) capacitance

b) resistance

c) conductance

d) inductance

Answer: (a)

Question : 20 [NDA]

A swinging pendulum has its maximum acceleration at

a) every point on the swing

b) the bottom of the swing

c) the two extremities of the swing

d) no particular portion of the pendulum

Answer: (c)

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1623 measurement and SI units based general science mcq set 1 question answer with explanation pdf
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