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If the angle of incidence is increased for a pair of air – glass interface, then the angle of refraction will
- a)remains the same
- b)first increases and then decreases
- c)increase
- d)decrease
Correct answer is option 'C'. Can you explain this answer?
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If the angle of incidence is increased for a pair of air – glass...
The relationship between the
angle of incidence and angle of refraction is explained by Snell's law, which states that ratio of the sine of the
angle of refraction and the sine of the
angle of incidence is always constant and equivalent to the ratio of phase velocities of the two mediums it is passing through.Free Test
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Community Answer
If the angle of incidence is increased for a pair of air – glass...
Explanation:
When light travels from one medium to another, it changes direction due to the change in its speed. This phenomenon is known as refraction. The angle of refraction depends on the angle of incidence and the refractive indices of the two media.
- The angle of incidence is the angle between the incident ray and the normal to the interface.
- The angle of refraction is the angle between the refracted ray and the normal to the interface.
In this case, the incident medium is air and the refracting medium is glass. The refractive index of air is approximately 1, while the refractive index of glass is greater than 1.
When the angle of incidence is increased:
- The angle of refraction will also increase.
- This is because the greater the angle of incidence, the greater the change in direction of the light as it enters the glass.
- The refracted ray will bend away from the normal more as the angle of incidence increases.
Therefore, the correct answer is C: increase.
When light travels from one medium to another, it changes direction due to the change in its speed. This phenomenon is known as refraction. The angle of refraction depends on the angle of incidence and the refractive indices of the two media.
- The angle of incidence is the angle between the incident ray and the normal to the interface.
- The angle of refraction is the angle between the refracted ray and the normal to the interface.
In this case, the incident medium is air and the refracting medium is glass. The refractive index of air is approximately 1, while the refractive index of glass is greater than 1.
When the angle of incidence is increased:
- The angle of refraction will also increase.
- This is because the greater the angle of incidence, the greater the change in direction of the light as it enters the glass.
- The refracted ray will bend away from the normal more as the angle of incidence increases.
Therefore, the correct answer is C: increase.
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If the angle of incidence is increased for a pair of air – glass interface, then the angle of refraction willa)remains the sameb)first increases and then decreasesc)increase d)decreaseCorrect answer is option 'C'. Can you explain this answer?
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