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1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
From the graph of angle of deviation versus angle of incidence for an equilateral prism, the refractive index of material of prism is
KCET 2026 Physics - Ray Optics Question 5 English
A
$\dfrac{\sqrt{3}}{2}$
B
$\dfrac{3}{2}$
C
$\sqrt{3}$
D
$\sqrt{2}$
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
The critical angle for a monochromatic light going from medium A to medium B is $\theta$. If the speed of light in medium A is $V$, then the speed of light in medium B is
A
$V(1 - \cos\theta)$
B
$\dfrac{V}{\cos\theta}$
C
$\dfrac{V}{\sin\theta}$
D
$V(1 - \sin\theta)$
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
The incorrect statement about refractive index for a pair of media is
A
It depends upon nature of the first medium.
B
It depends upon nature of the second medium.
C
It depends upon wavelength of light
D
It depends upon angle of incidence
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
The direction of a ray of light incident on a concave mirror is shown by PQ, while direction in which the ray would travel after reflection is shown by four rays marked as A, B, C and D as shown in the figure. Which of the four rays correctly shows the direction of the reflected ray?
KCET 2026 Physics - Ray Optics Question 2 English
A
D
B
C
C
B
D
A
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