1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
A plano convex lens of refractive index $$1.5$$ and radius of curvature $$30$$ $$cm$$. Is silvered at the curved surface. Now this lens has been used to form the image of an object. At what distance from this lens an object be placed in order to have a real image of size of the object
A
$$60$$ $$cm$$
B
$$30$$ $$cm$$
C
$$20$$ $$cm$$
D
$$80$$ $$cm$$
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The angle of incidence at which reflected light is totally polarized for reflection from air to glass (refractive index $$n$$) is :
A
$${\tan ^{ - 1}}\left( {1/n} \right)$$
B
$${\sin ^{ - 1}}\left( {1/n} \right)$$
C
$${\sin ^{ - 1}}\left( n \right)$$
D
$${\tan ^{ - 1}}\left( n \right)$$
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
An electromagnetic wave of frequency $$v=3.0$$ $$MHz$$ passes from vacuum into a dielectric medium with permittivity $$ \in = 4.0.$$ Then
A
wave length is halved and frequency remains unchanged
B
wave length is doubled and the frequency becomes half
C
wave length is doubled and the frequency remains unchanged
D
wave length and frequency both remain unchanged.
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The maximum number of possible interference maxima for slit-separation equal to twice the wavelength in Young's double-slit experiment, is :
A
three
B
five
C
infinite
D
zero
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