1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The refractive index of the material of a prism
is $$\sqrt 2 $$ and the angle of the prism is 30°. One
of the two refracting surfaces of the prism is
made a mirror inwards, by silver coating. A
beam of monochromatic light entering the
prism from the other face will retrace its path
(after reflection from the silvered surface) if
its angle of incidence on the prism is
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
An object is placed at a distance of 40 cm
from a concave mirror of focal length 15 cm.
If the object is displaced through a distance
of 20 cm towards the mirror, the displacement
of the image will be
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
An astronomical refracting telescope will have
large angular magnification and high angular
resolution, when it has an objective lens of
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
A thin prism having refracting angle 10o is made of glass of refractive infex 1.42. This prism is combined with another thin prism of glass of refractive index 1.7. This combination producess dispersion without deviation. The refracting angle of second prism should be
Questions Asked from Geometrical Optics (MCQ (Single Correct Answer))
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