1
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
The refracting angle of a prism is A, and refractive index of the material of the prism is cot (A/2). The angle of minimum deviation is
A
90o $$-$$ A
B
180o + 2A
C
180o $$-$$ 3A
D
180o $$-$$ 2A
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
The angle of a prism is A. One of its refracting surfaces is silvered. Light rays falling at an angle of incidence 2 A on the first surface returns back through the same path after suffering reflection at the silvered surface.

The refractive index $$\mu $$, of the prism is
A
2sinA
B
2cosA
C
$${1 \over 2}$$cosA
D
tanA
3
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
If the focal length of objective lens is increased then magnifying power of
A
microscope will increase but that of telescope decrease.
B
microscope and telescope both will increase.
C
microscope and telescope both will decrease.
D
microscope will decrease but that of telescope will increase.
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Two plane mirrors are inclined at 70o. A ray incident on one mirror at angle, $$\theta $$ after reflection falls on second mirror and is reflected from there parallel to first mirror. The value of $$\theta $$ is
A
45o
B
30o
C
55o
D
50o
NEET Subjects
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Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12