M.C.Q-[Phy-1M]

MCQ 11 Mark

Which of the following statement is incorrect?
A. A ray of light passing from an optically rarer medium to an optically denser medium bends away from the normal.
B. A ray of light passing from an optically denser medium to an optically rarer medium bends away from the normal.
C. A ray of light passing from an optically rarer medium to an optically denser medium bends toward the normal.
D. A ray light passing from an optically denser medium to an optically rarer medium bends towards the normal.

A
A, B and D
B
B and C
C
A and C
D
A and D

Answer

(b) B and C
Explanation:A ray of light passing from an optically denser medium to an optically rarer medium bends away from the normal, and a ray of

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MCQ 21 Mark

Study the following figure in which a student has marked the angle of incidence ( $\angle \mathrm{i}$ ), angle of refraction ( $\angle \mathrm{r}$ ), angle of emergence ( $\angle \mathrm{e}$ ), angle of prism ( $\angle \mathrm{A}$ ) and the angle of deviation ( $\angle \mathrm{D}$ ). The correctly marked angles are :

A
$\angle \mathrm{A}, \angle \mathrm{i}$ and $\angle \mathrm{D}$
B
$\angle \mathrm{A}, \angle \mathrm{i}$ and $\angle \mathrm{r}$
C
$\angle \mathrm{A}, \angle \mathrm{i}, \angle \mathrm{r}$ and $\angle \mathrm{D}$
✓
$\angle \mathrm{A}$ and $\angle \mathrm{i}$

Answer

Correct option: D.

$\angle \mathrm{A}$ and $\angle \mathrm{i}$

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Science M.C.Q-[Phy-1M]

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