Geometrical Optics | Physics JEE previous year questions with Solutions

STUDY MATERIALS
COURSES
MORE
SUCCESS STORY
ADMISSION
STORE

Back

JEE ADVANCE

CLASS XI - XII

CLASS XI - XII

JEE MAIN

CLASS XI - XII

CLASS XI - XII

NEET

CLASS XI - XII

CLASS XI - XII

BITSAT

CLASS XI - XII

CLASS XI - XII

CBSE BOARD

CLASS IX

CLASS X

CLASS XI

CLASS XII

CLASS VI

CLASS VII

CLASS VIII

UP BOARD

CLASS IX
CLASS X
CLASS XI
CLASS XII

CLASS IX

CLASS X

CLASS XI

CLASS XII

Courses

CLASSROOM COURSES
ONLINE COURSES

ONLINE COURSES

More

Topic Question Set

Q 11 :

A thin prism with angle 5° of refractive index 1.72 is combined with another prism of refractive index 1.9 to produce dispersion without deviation. The angle of the second prism is ________. [2026]

4.5°
6°
5°
4°

1

2

3

4

(4)

Q 12 :

The exit surface of a prism with refractive index $n$ is coated with a material having refractive index $\frac{n}{2}$ . When this prism is set for minimum angle of deviation, it exactly meets the condition of critical angle. The prism angle is _________. [2026]

$30 °$
$15 °$
$60 °$
$45 °$

1

2

3

4

(3)

Q 13 :

Consider an equilateral prism (refractive index $\sqrt{2}$ ). A ray of light is incident on its one surface at a certain angle $i$ . If the emergent ray is found to graze along the other surface, then the angle of refraction at the incident surface is close to ______. [2026]

15°
40°
30°
20°

1

2

3

4

(1)

Q 14 :

For a transparent prism, if the angle of minimum deviation is equal to its refracting angle, the refractive index n of the prism satisfies [2026]

$\sqrt{2} < n < 2 \sqrt{2}$
$\sqrt{2} < n < 2$
$n \geq 2$
$1 < n < 2$

1

2

3

4

(2)

Q 15 :

A prism of angle $75 °$ and refractive index $\sqrt{3} $ is coated with thin film of refractive index 1.5 only at the back exit surface. To have total internal reflection at the back exit surface the incident angle must be ______.

$(\sin 15 ° = 0.25 and \sin 25 ° = 0.43)$ [2026]

$15 °$
between $15 ° a n d 20 °$
$> 25 °$
$< 15 °$

1

2

3

4

(2)

Q 16 :

As shown in the diagram, when the incident ray is parallel to base of the prism, the emergent ray grazes along the second surface.

If refractive index of the material of prism is $\sqrt{2}$ , the angle $θ$ of prism is: [2026]

$75^{\circ}$
$45 °$
$90 °$
$60^{\circ}$

1

2

3

4

(2)

Want Us to Email you About Special Offers & Updates?