A body cools from `60^(@)C` to `50^(@)C` in 10 minutes when kept in air at `30^(@)C` . In the next 10 minut es its temperature will be

A body cools from 62^(@)C to 50^(@)C in 10 minutes and to 42^(@)C in the next 10 minutes. Find the temperature of surroundings.

A body cools from 50^(@)C to 46^(@)C in 5 minutes and to 40^(@)C in the next 10 minutes. The surrounding temperature is :

A body cools from 70^(@)C" to "60^(@)C in 5 minutes and to 45^(@)C in the next 10 minutes. Calculate the temperature of the surroundings.

Hot water cools from 60^(@)C to 50^(@)C in the first 10 minutes and to 42^(@)C in the next 10 minutes Then the temperature of the surrounding is

Hot water cools from 60^(@)C to 50^(@)C in the first 10 minutes and to 45^(@)C in the next 10 minutes. The temperature of the surroundings is:

A body cools from 60^(@)C to 40^(@)C in 7 minutes. Temperature of surrounding is 10^(@)C . After next 7 minutes what will be its temperature ? During whole process Newton's law of cooling is obeyed.