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If relative density of a metal is 19, what will be the mass of 20cm3...

Physics
JAMB 1983

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
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Correct Answer: Option A
Explanation

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

mass = volume x density

= 20 x 19

= 380g

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