Given below are two statements. One is labelled as Assertion (A) and the other is…
Physics · JEE Main · NTA Exams — Properties of Solids and Liquids
Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Sharp glass edge becomes smooth on heating it upto its melting point.
Reason (R) : The viscosity of glass decreases on melting.
Choose the most appropriate answer from the options given below.
Assertion (A) : Sharp glass edge becomes smooth on heating it upto its melting point.
Reason (R) : The viscosity of glass decreases on melting.
Choose the most appropriate answer from the options given below.
- A is false but R is true.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- Both A and R are true and R is the correct explanation of A.
Answer
(D) Both A and R are true and R is the correct explanation of A.
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