Assertion A ray of light travels from first medium to second medium. In first medium, angle of ray with normal is `i_(1) =30^(@)` and in second medium

Question

Assertion A ray of light travels from first medium to second medium. In first medium, angle of ray with normal is `i_(1) =30^(@)` and in second medium

Assertion A ray of light travels from first medium to second medium. In first medium, angle of ray with normal is `i_(1) =30^(@)` and in second medium `i_(2)` = `60^(@)` Then, second medium is rarer medium.
A. If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B. If both Assertion and Reason are true but Reason is not correct explanation of Assertion.
C. If Assertion is true but Reason is false.
D. If Assertion is false but Reason is true.

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
(c) In rarer medium, ray of light moves away from the normal. Further,
`mu_(1)sin30^(@)=mu_(2)sin60^(@)`
`therefore(mu_(1))/(mu_(2))=""_(2)mu_(1)=(sin60^(@))/(sin30^(@))`

4 views Answered 2023-02-05 15:29