1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Consider telecommunication through optical fibres. Which of the following statements is not true?
A
Optical fibres can be of graded refractive index
B
Optical fibres are subject to electromagnetic interference from outside
C
Optical fibres have extremely low transmission loss
D
Optical fibres may have homogeneous core with a suitable cladding.
2
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
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 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
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12