Assertion: According to Newtons 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.

Question

Assertion: According to Newtons 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 both 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

Tardigrade Admin · Accepted Answer

Newton’s law of cooling, holds good only for small difference of temperature.

Q. Assertion : According to Newtons 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.

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

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

If assertion is true but reason is false

If both assertion and reason are false

Newton’s law of cooling, holds good only for small difference of temperature.

Q. Assertion : According to Newtons law of cooling, the rate of loss of heat, $- d Q / d t$ of the body is directly proportional to the difference of temperature.
Reason : This law holds for all type of temperature differences.