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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
An observer cannot see a small object at the bottom of a deep metal bowl until it is filled with liquid A. If the same object remains hidden when the bowl is filled with liquid B, it means:
a. Liquid A has a higher refractive index
b. Liquid B has a higher refractive index
c. Both liquids have identical refractive indices
d. Either could be correct
Option a – Liquid A has a higher refractive index
To hit a fish underwater using a bow and arrow, one must aim:
a. Slightly above the fish
b. Directly at the fish
c. A little below the fish
d. Beside the fish
Option c – A little below the fish
While targeting a fish under water with a laser beam, the correct aim should be:
a. Above the fish
b. Straight at the fish
c. Beneath the fish
d. Beside the fish
Option c – Beneath the fish
When a glass slab with parallel sides is placed in the path of converging rays toward a screen, the convergence point will:
a. Shift away from the slab
b. Shift closer to the slab
c. Stay in the same position
d. Move farther from the screen
Option b – Shift closer to the slab
During refraction, the quantity that does not change is:
a. Speed of Light
b. Wavelength
c. Vibration phase of particles
d. Frequency
Option d – Frequency
The absolute refractive index of a material for a specific Light depends on:
a. Wavelength
b. Frequency
c. Speed
d. Both wavelength and speed
Option d – Both wavelength and speed
Light travels slower in kerosene than in water because:
a. Kerosene is optically denser than water
b. Kerosene is optically less dense than water
c. Kerosene has greater Mass density than water
d. Kerosene has lower Mass density than water
Option a – Kerosene is optically denser than water
To a bird flying above, a fish under the water appears:
a. Closer than it really is
b. Farther than it is
c. At the same depth
d. Cannot be determined
Option a – Closer than it really is
Light does not bend when:
a. The angle of incidence is 0°
b. The angle of incidence is 90°
c. The refractive indices of both media are equal
d. Both media have refractive indices less than 1
Option b – The angle of incidence is 90°
The refractive index of vacuum or air is:
a. 1
b. Equal to or greater than 1
c. 0
d. Greater than or equal to 0
Option a – 1
The bending angle of Light due to a glass slab depends on:
a. 0°
b. 20°
c. 90°
d. The angle between incident ray and the normal
Option d – The angle between incident ray and the normal
Refraction occurs when:
a. Light changes path within the same medium
b. Light bends while entering a different optical medium
c. Light hits an obstacle and changes path
d. Light scatters in a new direction
Option b – Light bends while entering a different optical medium
When the incidence angle equals the critical angle, the refracted ray forms an angle of:
a. 0°
b. 20°
c. 90°
d. 180°
Option c – 90°
The formation of a mirage is due to:
a. Reflection
b. Refraction
c. Complete internal reflection
d. Displacement of image
Option c – Complete internal reflection
Light travels slowest in which of the following substances: Ice (1.31), Benzene (1.50), Ruby (1.71), Kerosene (1.44)?
a. Ice
b. Benzene
c. Ruby
d. Kerosene
Option c – Ruby
No bending of light occurs when:
a. It strikes normally
b. The refractive indices of both substances are equal
c. It enters at a 0° angle
d. It enters at a 45° angle
Option b – The refractive indices of both substances are equal
Mirage is caused by:
a. Irregular reflection
b. Light scattering
c. Dispersion
d. Complete internal reflection
Option d – Complete internal reflection
A fish observing a 1-meter-tall plant on the edge of a pond perceives the plant as:
a. Taller
b. Shorter
c. Same height
d. Indistinct
Option a – Taller
To strike a fish seen underwater, the hunter should aim:
a. Above the visible position
b. Below the apparent position
c. Directly at the image
d. Along the water’s surface
Option b – Below the apparent position
If glass has a refractive index of 2 with respect to air, the critical angle is:
a. 0°
b. 45°
c. 30°
d. 60°
Option c – 30°
Complete internal reflection takes place when light moves from:
a. A rarer to a denser medium
b. One rarer medium to another
c. A denser to a rarer medium
d. One denser medium to another
Option c – A denser to a rarer medium
When a ray passes through a rectangular glass slab, the angle by which it shifts is:
a. 0°
b. 20°
c. 90°
d. Depends on the angle with the normal
Option a – 0°
At the critical incidence angle, the refracted ray bends at:
a. 45°
b. 90°
c. 0°
d. 30°
Option b – 90°
Total internal reflection happens when light travels from:
a. A rarer to a denser medium
b. A denser to a rarer medium
c. Rarer to rarer media
d. Denser to denser media
Option b – A denser to a rarer medium
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