1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A bulb is located on a wall. Its image is to be obtained on a parallel wall with the help of convex lens. The lens is placed at a distance d ahead of second wall, then required focal length will be
A
only $${d \over 4}$$
B
only $${d \over 2}$$
C
more than $${d \over 4}$$ but less than $${d \over 2}$$
D
less than $${d \over 4}$$
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Diameter of human eye lens is 2 mm. What will be the minimum distance between two points to resolve them, which are situated at a distance of 50 meter from eye. The wavelength of light is 5000 $$\mathop A\limits^ \circ $$
A
2.32 m
B
4.28 mm
C
1.25 cm
D
12.48 cm
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
For the given incident ray as shown in figure, the condition of total internal refraction of this ray the required refractive index of prism will be

AIPMT 2002 Physics - Geometrical Optics Question 33 English
A
$${{\sqrt 3 + 1} \over 2}$$
B
$${{\sqrt 2 + 1} \over 2}$$
C
$$\sqrt {{3 \over 2}} $$
D
$$\sqrt {{7 \over 6}} $$
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Optical fibre are based on
A
total internal reflection
B
less scattering
C
refraction
D
less absorption coefficient.
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