1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
To demonstrate the phenomenon of interference, we require two sources which emit radiation
A
of nearly the same frequency
B
of the same frequency
C
of different wavelengths
D
of the same frequency and having a definite phase relationship
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
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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