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Refraction of Light Through A Prism Class 10 MCQ. We covered all the Refraction of Light Through A Prism Class 10 MCQ in this post for free so that you can practice well for the exam.
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MCQ on Refraction of Light Through A Prism for Students
Quick Quiz
When an observer peers over the edge of a deep, empty metal bowl on a kitchen table, he does not see the entire bottom surface. There fore, a small object lying on the bottom is hidden from view, but the object can be seen when the bowl is filled with liquid A. When the bowl is filled with liquid B, however the object remains hidden from view, then
a) liquid A has the greater index of refraction
b) liquid B has the greater index of refraction
c) both liquid have same index of refraction
d) Any of these
Option a – liquid A has the greater index of refraction
A man is fishing from a dock, using a bow and arrow. To strike a fish that he sees beneath the water, should he aim
a) some what above the fish
b) directly at the fish
c) some what below the fish
d) by the side of fish
Option c – some what below the fish
A man is fishing from a dock. He is using a laser gun that emits an intense beam of light. To strike a fish that he sees beneath the water, should he aim
a) some what above the fish
b) directly at the fish
c) some what below the fish
d) by the side of fish
Option c – some what below the fish
Two rays of light converge to a point on a screen. A thick plate of glass with parallel surface is placed in the path this converging light, with the parallel surface parallel to the screen. Will the point of convergence
a) move a away from the glass plate
b) move toward the glass plate
c) remain on the screen
d) move away from the screen
Option b – move toward the glass plate
During refraction the following quantities which remain constant are
a) speed
b) wave length
c) phase of vibration of particles
d) frequency
Option d – frequency
Absolute refractive index for a given light in a given medium depends on
a) wavelength
b) frequency
c) speed
d) both a and c
Option d – both a and c
The speed of light decreases in kerosene than in water because :
a) optical density of kerosene is more than optical density of water
b) optical density of kerosene is less than optical density of water
c) mass density of kerosene is more than mass density of water
d) mass density of kerosene is less than mass density of water
Option a – optical density of kerosene is more than optical density of water
To a bird flying in sky, the fish in water appears ……… than its actual depth.
a) nearer
b) farther
c) same
d) none
Option a – nearer
A ray of light does not undergo refraction when
a) angle of incidence is zero
b) angle of incidence is 90°
c) refractive indices of both optical media are equal
d) refractive indices of both optical media are less than one
Option b – angle of incidence is 90°
Refractive index of air or vacuum(n) is
a) n=1
b) n ≥ 1
c) n=0
d) n ≥0
Option a – n=1
The angle of deviation produced by the glass slab is ……..
a) 0°
b) 20°
c) 90
d) Depends on the formed by the light ray and normal to the slab
Option d – Depends on the formed by the light ray and normal to the slab
Refraction is a phenomenon in which
a) Light deviates from its original path while travelling in a medium
b) A ray of light deviates from its original path while travelling from one optional medium to another
c) A ray of light deviates from its original path when it is incident on an obstacle
d) A ray of light deviates from its original path due to scattering
Option b – A ray of light deviates from its original path while travelling from one optional medium to another
If the angle of incidence is equal to critical angle, then the angle of refraction is
a) 0°
b) 20⁰
c) 90°
d) 180°
Option c – 90°
Mirage is a best example for the phenomenon of
a) reflection
b) refraction
c) total internal reflection
d) shift
Option c – total internal reflection
Refractive indices of Ice, benzene, Ruby and Kerosene are 1.31,1.50,1.71 and 1.44 respectively. In which of the above media, light travels slowly?
a) Ice
b) Benzene
c) Ruby
d) kerosene
Option c – Ruby
When light enters from one medium to another, the condition for no refraction of high
a) Light incident normally
b) Equal Refractive index of two media
c) Light incident with an angle 0°
d) Light incident with an angles 45°
Option b – Equal Refractive index of two media
Mirage is an example of
a) Irregular reflection
b) Scattering of light
c) dispersion of light
d) Total internal reflection of light
Option d – Total internal reflection of light
A fish looking at 1m highest plant at the edge of a pond. Then its actual height as seen by fish is:
a) taller
b) shorter
c) same
d) can’t be say
Option a – taller
A hunter desires of shooting a fish whose image could be seen through clear water. His aim should be
a) above the apparent shift
b) below the apparent shift
c) in the line of sight of fish
d) parallel to surface of water.
Option b – below the apparent shift
The refractive index of glass with respect to air is 2. Then the critical angle of glass air interface is
a) 0°
b) 45⁰
c) 30⁰
d) 60⁰
Option c – 30⁰
Total internal reflection takes place when the light ray travels from …….
a) rarer to denser medium
b) rarer to rarer medium
c) denser to rarer medium
d) denser to denser medium
Option c – denser to rarer medium
The angle of deviation produced by the glass slab is …………
a) 0⁰
b) 20⁰
c) 90°
d) depends on the angle formed by the light ray and the normal to the slab.
Option a – 0⁰
At critical angle of incidence, the angle of refraction is ……..
a) 45°
b) 90°
c) 0°
d) 30°
Option b – 90°
Total internal reflections takes place when a light ray propagates from …….. to ……….. medium.
a) rarer to denser
b) denser to rarer
c) rarer to rarer
d) denser to denser
Option b – denser to rarer
We covered all the refraction of light through a prism class 10 MCQ above in this post for free so that you can practice well for the exam.
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