JEE Main & Advanced
JEE Main Paper Phase-I (Held on 09-1-2020 Morning)
question_answer
A spherical iron ball of 10 cm radius is coated with a layer of ice of uniform thickness that melts at a rate of \[50\,\,c{{m}^{3}}/\min .\]When the thickness of ice is 5 cm, then the rate (in cm/min.) at which of the thickness of ice decreases, is [JEE MAIN Held on 09-01-2020 Morning]