A body cools from 80^(@)C to 50^(@)C in ...

A body cools from `80^(@)C` to `50^(@)C` in 5 min-utes Calculate the time it takes to cool from `60^(@)C` to `30^(@)C` The temperature of the surroundings is `20^(@)C` .

Topper's Solved these Questions

Thermal Properties of Matter
SL ARORA|Exercise Exercise|449 Videos
System of particles & rotational Motion
SL ARORA|Exercise EXERCISE|353 Videos
THERMODYNAMICS
SL ARORA|Exercise Exercise|342 Videos

Similar Questions

Explore conceptually related problems

A liquid cools from 70^(@)C to 60^(@)C in 5 minutes. Calculate the time taken by the liquid to cool from 60^(@)C to 50^(@)C , If the temperature of the surrounding is constant at 30^(@)C .

A body in a room cools from 85^(@)C to 80^(@)C in 5 minutes. Then the time taken to cool from 80^(@)C to 75^(@)C is

A body cools from 80^(@)C to 70^(@)C in 10 minutes Find the required further fir it to cool from 70^(@)C to 60^(@)C Assume the temperature of the surrounding to be 30^(@)C .

A liquid cools down from 70^(@)C to 60^(@)C in 5 minutes. The time taken to cool it from 60^(@)C to 50^(@)C will be

A body cools from 50.0^(@)C to 49.9^(@)C in 5s. How long will it take to cool from 40.0^(@)C to 39.9^(@)C ? Assume the temperature of the surroundings to be 30.0^(@)C and Newton's law of cooling to be valid:

A body cools from 50.0^(@)C to 49.9^(@)C in 10s. How long will it take to cool from 40.0^(@)C to 39.9^(@)C ? Assume the temperature of the surrounding to be 30.0^(@)C and Newton's law of cooling to be valid.

A body cools from 50.0^(@)C to 48^(@)C in 5s. How long will it take to cool from 40.0^(@)C to 39^(@)C ? Assume the temperature of surroundings to be 30.0^(@)C and Newton's law of cooling to be valid.

A body cool from 50.0^(@) C to 39.9^(@) C in 5 s . How long will it take to cool from 40.0^(@) C to 39.9^(@) C ? Assume the temperature of surroundings to be 30^(@) C and Newton's law of cooling to be valid

A liquid takes 5 minutes to cool from 80^@C to 50^@C . How much time will it take to cool from 60^@C to 30^@C ? The temperature of surroundings is 20^@C .

SL ARORA-Thermal Properties of Matter-Exercise

Explain why, a brass tumbler feels much colder than a wooden tray on...
Text Solution
|
Assertion : The earth without its atmosphere would be inhospitably col...
Text Solution
|
A body cools from 80^(@)C to 50^(@)C in 5 min-utes Calculate the time ...
Text Solution
|
On hilly reason, water boils at 95^@C. The temperature expressed in Fa...
Text Solution
|
If the boiling point of water is 95^(@)F, what will be reduction at ce...
Text Solution
|
At what temperature is the Fahrenheit scale reading equal to (a) twi...
Text Solution
|
Resistance of tungsten wire at 150^(@)C is 133 Omega. Its resistance t...
Text Solution
|
Triple point of water is
Text Solution
|
The mechanical equivalent of heat J is
Text Solution
|
During constant temperature, we feel colder on a day when the relative...
Text Solution
|
When a body is heated, then maximum rise will be in its
Text Solution
|
A composite rod made of copper (alpha =1.8xx10^-5 K^-1) and steel (alp...
Text Solution
|
If the temperature of a rod is increased by 10^@C, its length increase...
Text Solution
|
The volume of a gas at 20^(@)C is 100 cm 3 at normal pressure. If it i...
Text Solution
|
The coefficient of volumetric expansion of mercury is 18xx10^(-5)//^(...
Text Solution
|
Coefficient of real expension of mercury is 0.18 xx 10^(-3//@)C. If th...
Text Solution
|
The density of a substance at 0^(@)C is 10 g//c c and at 100^(@)C, its...
Text Solution
|
A uniform metal rod is used as a bar pendulum. If the room temperature...
Text Solution
|
Calculate the presure required to stop the increases in volume of a co...
Text Solution
|
A clock which keeps correct time at 20^(@)C is subjected to 40^(@)C. I...
Text Solution
|