If relative density of a metal is 19, what will be the mass of 20cm3 of the metal when immersed in water?

A.

380g

B.

400g

C.

360g

D.

39g

E.

180g

View answer & explanation

Correct answer is A

R.d = 19, therefore, density = 19gcm-3

mass = velocity x density

= 20 x 19

= 380g

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