Answer
64.8k+ views
Hint: In order to solve this question, we first need to check the correctness of the statement of the given assertion and then the correctness of the reason later we will decide whether the reason is the correct explanation for an assertion or not.
Complete Step by Step Solution:
Given assertion: Work and heat are two equivalent forms of energy. So yes, work and heat are both a form of energy to represent different situations but it’s a form of energy and their units are also the same Joules. For example, work done by the gravitational force on a body, work done by the electric field on a charge hence there are various kinds of work but it’s a form of energy.
Heat is also a form of energy but it’s only transferred to another body when there is a temperature difference between two bodies. Hence, the reason for the given assertion is given as: Work is the transfer of mechanical energy irrespective of temperature difference, whereas heat is the transfer of thermal energy because of temperature difference only. and yes, Reason is also correct and the reason is also the correct explanation for the given assertion.
Hence, the correct answer is option
(A) Both assertion and reason are true and the reason is the correct explanation of the assertion.
Note: It should be remembered that, while work and heat are both a form of energy and their SI unit is called Joules whereas in thermodynamics the other most common unit of heat energy used is Calories denoted by cal.
Complete Step by Step Solution:
Given assertion: Work and heat are two equivalent forms of energy. So yes, work and heat are both a form of energy to represent different situations but it’s a form of energy and their units are also the same Joules. For example, work done by the gravitational force on a body, work done by the electric field on a charge hence there are various kinds of work but it’s a form of energy.
Heat is also a form of energy but it’s only transferred to another body when there is a temperature difference between two bodies. Hence, the reason for the given assertion is given as: Work is the transfer of mechanical energy irrespective of temperature difference, whereas heat is the transfer of thermal energy because of temperature difference only. and yes, Reason is also correct and the reason is also the correct explanation for the given assertion.
Hence, the correct answer is option
(A) Both assertion and reason are true and the reason is the correct explanation of the assertion.
Note: It should be remembered that, while work and heat are both a form of energy and their SI unit is called Joules whereas in thermodynamics the other most common unit of heat energy used is Calories denoted by cal.
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