1
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
2
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 - Optics Question 39 English
A
$${{\sqrt 3 + 1} \over 2}$$
B
$${{\sqrt 2 + 1} \over 2}$$
C
$$\sqrt {{3 \over 2}} $$
D
$$\sqrt {{7 \over 6}} $$
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
A ray of light travelling in air have wavelength $$\lambda $$, frequency n, velocity v and intensity $$I$$. If this ray enters into water then these parameters are $$\lambda $$', n', v' and $$I$$' respectively. Which relation is correct from following ?
A
$$\lambda $$ = $$\lambda $$'
B
n = n'
C
v = v'
D
$$I$$ = $$I$$'.
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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