A solid weighs 45N and 15N respectively in air and water. Determine the relative density of the solid?

A. 0.33
B. 0.50
C. 1.50
D. 3.00

Correct Answer:

Option D = 3.00

Explanation

Weight in Air = 45N

Weight in Water = 15N

R.D = Weight in Air/Weight in water

R.D = 45/15 = 3.00