1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
In a transformer, number of turns in the primary coil are $$140$$ and that in the secondary coil are $$280.$$ If current in primary coil is $$4A,$$ then that in the secondary coil is
A
$$4A$$
B
$$2A$$
C
$$6A$$
D
$$10A$$
2
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
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Electromagnetic waves are transverse in nature is evident by
A
polarization
B
interference
C
reflection
D
diffraction
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
If two mirrors are kept at $${60^ \circ }$$ to each other, then the number of images formed by them is
A
$$5$$
B
$$6$$
C
$$7$$
D
$$8$$
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