Question

A certain body weighs 15 N in air and it weighs 12 N when immersed in
water. Then relative density of body is
​

Answer 1

Specific density

=mass in air/mass in water- mass in air

Specific density

= 15/15-12

=15/3

=5

Specific density =5

I hope this helps ( ╹▽╹ )