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Question: Few quantities with their units are listed below. Mark the units which are not correctly matched. (...

Few quantities with their units are listed below. Mark the units which are not correctly matched.

(i) Density : Kg m−3m^{- 3}

(ii) Velocity of light : ms−1ms^{- 1}

(iii) Planck’s constant : J−1s−1J^{- 1}s^{- 1}

(iv) Acceleration :ms−2ms^{- 2}

(v) Force : Kg m

A

(ii) and (iv)

B

(i) and (iii)

C

(iii) and (v)

D

(iv) and (v)

Answer

(iii) and (v)

Explanation

Solution

: Planck’s constant = J s

Force = kg m S−2S^{- 2}