A body at `50^(@)C` cools in a surroundings maintained at `30^(@)C` The temperature at which the rate of cooling is half that of the beginning is .

A body at 50^(@) C cools in a surroundings maintained at 30^(@) C. The temperature at which the rate of cooling is half that of the begining is

A body is heated to a temperature of 75^(@)C and is allowed to cool. If the temperature of the surrounding is 35^(@)C , then the temperature at which the rate of cooling will be exactly half of that initially will be

A body cools in a surrounding of constant temperature 30^@C Its heat capacity is 2 J//^@C . Initial temeprature of cooling is valid. The body cools to 38^@C in 10 min The temperature of the body In .^@C denoted by theta . The veriation of theta versus time t is best denoted as

A body cools in a surrounding of constant temperature 30^@C Its heat capacity is 2 J//^@C . Initial temeprature of cooling is valid. The body cools to 38^@C in 10 min The temperature of the body In .^@C denoted by theta . The veriation of theta versus time t is best denoted as

A body cools in a surrounding of constant temperature 30^@C Its heat capacity is 2 J//^@C . Initial temeprature of cooling is valid. The body cools to 38^@C in 10 min The temperature of the body In .^@C denoted by theta . The veriation of theta versus time t is best denoted as

Rate of cooling of body is 0.5^(@)C /min, when the system is 50^(@)C above the surroundings. When a system is 30^(@)C above the surroundings, the rate of cooling will be

A body cools in a surrounding of constant temperature 30^(@)C . Its heat capacity is 2J//^(@)C . Initial temperature of the body is 40^(@)C . Assume Newton's law of cooling is valid. The body cools to 36^(@)C in 10 minutes. In further 10 minutes it will cool from 36^(@)C to :