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Assertion: According to Newton's law of ...

Assertion: According to Newton's law of cooling, the rate of loss of heat, `-dQ//dt` of the body is directly proportional to the difference of temperature.
Reason :This law holds for all type of temperature differences.

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If the assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Newton's law of cooling, holds good only for small difference of temperature.
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Knowledge Check

  • According to Newton’s law of cooling. The rate of loss of heat, -"d"theta//dt of the body is

    A
    directly proportional to the sum of temperature of the body and Its surroundings
    B
    Inversely proportional to the sum of temperature of the body and Its surroundings
    C
    directly proportional to the difference of temperature of the body and the surroundings
    D
    Inversely proportional to the sum of temperature of the body and the surroundings

  • According to Newton's law of cooling ,the rate of cooling of a body is proportional to the

    A
    temperature of the body
    B
    temperature of the surrounding
    C
    difference of the temperature of the body and its surroungs
    D
    none of these

  • According to ‘Newton’s Law of cooling’, the rate of cooling of a body is proportional to the

    A
    Temperature of the body
    B
    Temperature of the surrounding
    C
    Fourth power of the temperature of the body
    D
    Difference of the temperature of the body and the surroundings
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