1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
A light ray is incident perpendicularly to one face of a $${90^ \circ }$$ prism and is totally internally reflected at the glass-air interface. If the angle of reflection is $${45^ \circ }$$, we conclude that the refractive index $$n$$ AIEEE 2004 Physics - Geometrical Optics Question 169 English
A
$$n > {1 \over {\sqrt 2 }}$$
B
$$n > \sqrt 2 $$
C
$$n < {1 \over {\sqrt 2 }}$$
D
$$n < \sqrt 2 $$
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The image formed by an objective of a compound microscope is
A
virtual and diminished
B
real an diminished
C
real and enlarged
D
virtual and enlarged
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
To get three images of a single object, one should have two plane mirrors at an angle of
A
$${60^ \circ }$$
B
$${90^ \circ }$$
C
$${120^ \circ }$$
D
$${30^ \circ }$$
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
An astronomical telescope has a large aperture to
A
reduce spherical aberration
B
have high resolution
C
increase span of observation
D
have low dispersion
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