1
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
$V(1 - \sin\theta)$
2
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
3
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?
A
D
B
C
C
B
D
A
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
With reference to the figure shown below, match the following:

List-IList-II
(a)Angle of reflection(i)$60^\circ$
(b)Value of $\alpha$(ii)$120^\circ$
(c)Angle of deviation(iii)$30^\circ$
A
a-i, b-ii, c-iii
B
a-ii, b-i, c-iii
C
a-iii, b-i, c-ii
D
a-iii, b-ii, c-i