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

Question : 6 [NDA]

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 : 7 [UP (Spl)(Pre) 2008]

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

a) 4 3 2 1

b) 1 2 3 4

c) 3 4 2 1

d) 3 4 1 2

Question : 8 [PSC (Pre) 2017]

‘Dobson’ unit is used for the measurement of

a) Thickness of Ozone layer

b) Thickness of Earth

c) Thickness of Diamond

d) Measurement of Noise

Question : 9 [UP UDA/LDA (Pre) 2013]

Light year is the unit of

a) Speed of light

b) Distance

c) Time

d) Intensity of light

Question : 10

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

a) 5 4 1 2

b) 4 5 1 3

c) 4 5 1 2

d) 5 4 2 3