6.1 Refraction of Light

6.1 Refraction of Light - Set 1

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Below show the list of refraction index in few mediums.

Water: 1.33

Glass: 1.70

Diamond: 2.42

Alcohol: 1.36

Which of the following medium has the lowest speed?

Water
Glass
Diamond
Alcohol

Difficulty Level: Medium

6.1 Refraction of Light - Set 1

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What will be the behaviour of light rays when it is refracted?

The light speed will remain the same
The light will bend when entering another medium
The light travels in a straight path
The frequency increase

Difficulty Level: Easy

6.1 Refraction of Light - Set 1

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Two types of monochromatic light passing through a block of glass from the same angle.

From the observation, it appears one of the monochromatic light bends more towards the normal line of the glass. Why?

Difference in medium
Difference in wavelength
One of the light has high intensity
The initial speed of both lights is not the same

Difficulty Level: Hard

6.1 Refraction of Light - Set 1

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This phenomenon occurs due to a change in light speed when it propagates through mediums with different optical densities. Which phenomenon is related to the statement?

Total internal reflection
Refraction of light
Reflection of light
Damping

Difficulty Level: Medium

6.1 Refraction of Light - Set 1

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A bright object is placed at the base of a swimming pool. The light emitted from the object can be seen by an observer standing beside the pool. What happens to the light ray in the air?

Refracts towards the normal
Refracts away from the normal
Experiences total internal reflection
Reflects with the same angle as the incidence angle

Difficulty Level: Medium