Assertion : Diamond are known for their spectacular brilliance, but diamonds found in nature rarely exhibit the brilliance. Reason : By cutting the di
Assertion : Diamond are known for their spectacular brilliance, but diamonds found in nature rarely exhibit the brilliance.
Reason : By cutting the diamond suitably, multiple total internal reflections can be made to occur.
A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true and 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.
1 Answers
Correct Answer - A
The critical angle for diamond-air interface is very small, therefore once light enters a diamond, it is very likely to undergo total internal reflection inside it. It is the technical skill of a diamond cutter which makes diamond to sparkle so brilliantly.