Diamond is indeed used for cutting glass (A is correct). Diamond does have a high refractive index of about 2.42 (R is correct). However, the reason diamond cuts glass is its extreme hardness (hardest natural material), not its refractive index. Therefore R is not the correct explanation of A.
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Diamond is used for…
CUET UG 2023 — General Test General Knowledge
2023mcqmedium
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Diamond is used for cutting glass.
Reason (R) : Diamond has a high refractive Index.
In the light of the above statements, choose the most appropriate answer from the options given below :
Official previous-year question
Held on 5 Jun 2023 · Verified 13 Jul 2026.
Options
- A
(A) is correct but (R) is not correct
- B
(A) is not correct but (R) is correct
- C
Both (A) and (R) are correct and (R) is the correct explanation of (A)
- D
Both (A) and (R) are correct but (R) is not the correct explanation of (A)
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