A wooden block, with a coin placed on its top, floats in water as shown in figure. The distance l and h…

Q: A wooden block, with a coin placed on its top, floats in water as shown in figure. The distance l and h are show there. After sometime the coin falls into the water. Then

Numerical

(a) l decrease and h increase

(b) l increase and h decrease

(c) both l and h increase

(d)both l and h decrease

Ans: (d)

Sol: When coin falls into water , l will decrease because block moves up and h will decrease because the coin will displace the volume of water equal to its own volume when it is in water .