NEET2007PhysicsThermal Properties of MatterActual
Assertion : A brass tumbler feels much colder than a wooden tray on a chilly day. Reason : The thermal conductivity of brass is more than the thermal conductivity of wood.
Options
- AIf both assertion and reason are true and reason is the correct explanation of assertion
- BIf both assertion and reason are true but reason is not the correct explanation of assertion
- CIf assertion is true but reason is false
- DIf both assertion and reason are false.
Correct answer
A. If both assertion and reason are true and reason is the correct explanation of assertion
Step-by-step solution
Both the assertion and reason are correct because the conducting brass tumbler absorbs heat from the body. The hand feels cold when the tumbler is touched.