1
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
A thin prism of angle 15o made of glass of refractive index $$\mu $$1 = 1.5 is combined with another prism of glass of refractive index $$\mu $$2 = 1.75. The combination of the prisms produces dispersion without deviation. The angle of the second prism should be
A
5o
B
7o
C
10o
D
12o
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
A biconvex lens has a radius of curvature of magnitude 20 cm. Which one of the following options describe best the image formed of an object of height 2 cm placed 30 cm from the lens ?
A
Virtual, upright, height = 1 cm
B
Virtual, upright, height = 0.5 cm
C
Real, inverted, height = 4 cm
D
Real, inverted, height = 1 cm
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following is not due to total internal reflection ?
A
Working of optical fibre
B
difference between apparent and real depth of a pond
C
Mirage on hot summer days
D
Brilliance of diamond
4
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
A rays of light is incident on a 60o prism at the minimum deviation position. The angle of refraction at the first face (i.e., incident face) of the prism is
A
zero
B
30o
C
45o
D
60o
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