Test Preparation on Physics-Refraction of Light
1.
Mark the correct option of source which is associatedwith a line emission spectrum :
2.
A rectangular tank of depth 8 m is full of water (m = 4/3) the bottom is seen at the depth:
3.
Ray optics fails when the size of the obstacle is:
4.
If light travels from one medium to the other of whichthe refractive index is different, then which of thefollowing will change ?
5.
If the wavelength of light is increased, the angle ofminimum deviation Sm, the refractive index dm, and thefrequency v:
6.
The angle of refraction, when a light ray approaches aglass-air interface from the glass side at the critical angle,will be:
7.
Light of different colours propagates through air:
8.
Arrange the following in ascending order of frequency:
9.
One can not see through fog because :
10.
A cut diamond sparkles because of its :
11.
The combination of convex lens and concave lens eachof focal length 10 cm when combines, behaves as :
f = 10
12.
The refractive index of the medium, if a light wave hasa frequency of 4 x 1014 Hz and a wavelength of
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