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A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45∘. For which of the following value of μ. the ray can undergo total internal reflection?
- a)μ = 1.33
- b)μ = 1.40
- c)μ = 1.50
- d)μ = 1.25
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
A ray of light travelling in a transparent medium of refractive index ...
For total internal reflection,
sin i > sin C
where
i = angle of incidence
C = critical angle
Hence, option (c) is correct.
sin i > sin C
where
i = angle of incidence
C = critical angle
Hence, option (c) is correct.
Most Upvoted Answer
A ray of light travelling in a transparent medium of refractive index ...
A ray of light traveling in a transparent medium of refractive index travels in a specific manner. When light enters a medium with a different refractive index, it changes direction due to the change in speed. This phenomenon is called refraction.
The refractive index of a medium is a measure of how much the medium slows down the speed of light compared to its speed in a vacuum. It is denoted by the symbol "n."
When light passes from a medium with a lower refractive index to a medium with a higher refractive index, it bends towards the normal (an imaginary line perpendicular to the surface of the interface). This bending of light is called refraction towards the normal.
On the other hand, when light passes from a medium with a higher refractive index to a medium with a lower refractive index, it bends away from the normal. This bending of light is called refraction away from the normal.
The amount of bending that occurs depends on the angle of incidence (the angle between the incident ray and the normal) and the refractive indices of the two media. This relationship is described by Snell's law, which states that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the refractive indices of the two media:
n1sinθ1 = n2sinθ2
where n1 is the refractive index of the medium the light is coming from, θ1 is the angle of incidence, n2 is the refractive index of the medium the light is entering, and θ2 is the angle of refraction.
In summary, a ray of light travels in a transparent medium of refractive index by changing direction due to refraction. The amount and direction of this bending depend on the refractive indices of the two media and the angle of incidence.
The refractive index of a medium is a measure of how much the medium slows down the speed of light compared to its speed in a vacuum. It is denoted by the symbol "n."
When light passes from a medium with a lower refractive index to a medium with a higher refractive index, it bends towards the normal (an imaginary line perpendicular to the surface of the interface). This bending of light is called refraction towards the normal.
On the other hand, when light passes from a medium with a higher refractive index to a medium with a lower refractive index, it bends away from the normal. This bending of light is called refraction away from the normal.
The amount of bending that occurs depends on the angle of incidence (the angle between the incident ray and the normal) and the refractive indices of the two media. This relationship is described by Snell's law, which states that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the refractive indices of the two media:
n1sinθ1 = n2sinθ2
where n1 is the refractive index of the medium the light is coming from, θ1 is the angle of incidence, n2 is the refractive index of the medium the light is entering, and θ2 is the angle of refraction.
In summary, a ray of light travels in a transparent medium of refractive index by changing direction due to refraction. The amount and direction of this bending depend on the refractive indices of the two media and the angle of incidence.
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A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45. For which of the following value of μ. the ray can undergo total internal reflection?a)μ = 1.33b)μ = 1.40c)μ = 1.50d)μ = 1.25Correct answer is option 'C'. Can you explain this answer?
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A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45. For which of the following value of μ. the ray can undergo total internal reflection?a)μ = 1.33b)μ = 1.40c)μ = 1.50d)μ = 1.25Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45. For which of the following value of μ. the ray can undergo total internal reflection?a)μ = 1.33b)μ = 1.40c)μ = 1.50d)μ = 1.25Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45. For which of the following value of μ. the ray can undergo total internal reflection?a)μ = 1.33b)μ = 1.40c)μ = 1.50d)μ = 1.25Correct answer is option 'C'. Can you explain this answer?.
A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45. For which of the following value of μ. the ray can undergo total internal reflection?a)μ = 1.33b)μ = 1.40c)μ = 1.50d)μ = 1.25Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45. For which of the following value of μ. the ray can undergo total internal reflection?a)μ = 1.33b)μ = 1.40c)μ = 1.50d)μ = 1.25Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45. For which of the following value of μ. the ray can undergo total internal reflection?a)μ = 1.33b)μ = 1.40c)μ = 1.50d)μ = 1.25Correct answer is option 'C'. Can you explain this answer?.
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A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45. For which of the following value of μ. the ray can undergo total internal reflection?a)μ = 1.33b)μ = 1.40c)μ = 1.50d)μ = 1.25Correct answer is option 'C'. Can you explain this answer?, a detailed solution for A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45. For which of the following value of μ. the ray can undergo total internal reflection?a)μ = 1.33b)μ = 1.40c)μ = 1.50d)μ = 1.25Correct answer is option 'C'. Can you explain this answer? has been provided alongside types of A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45. For which of the following value of μ. the ray can undergo total internal reflection?a)μ = 1.33b)μ = 1.40c)μ = 1.50d)μ = 1.25Correct answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
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