Chapter 17 – Refraction of Light by Plane Surfaces
Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 2 > Chapter 17 - Refraction of Light by Plane Surfaces
A ray of light travels from a medium of refractive index `u` to air. Its angle of incidence in the medium is `i`, measured from the normal to the boundary, and its angle of deviation is `delta. delta` is plotted against `i`. Which of the following best represents the resulting curve?
17
Nov
A ray of light travels from a medium of refractive index `u` to air. Its angle of incidence in the medium is `i`, measured from the normal to the boundary, and its angle of deviation is `delta. delta` is plotted against `i`. Which of the following best represents the resulting curve? A ray of light [...]
A rectangular glass slab ABCD of refractive index n1 , is immersed in water of refractive index n2 (n1 > n2 ). A ray of light is incident at the surface AB of the slab as shown in the figure. The maximum value of angle of incidence α max , such that the ray comes out only from the other surface CD, is given by
17
Nov
A rectangular glass slab ABCD of refractive index n1 , is immersed in water of refractive index n2 (n1 > n2 ). A ray of light is incident at the surface AB of the slab as shown in the figure. The maximum value of angle of incidence α max , such that the ray comes [...]
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Chapter 17 - Refraction of Light by Plane Surfaces
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Part 2
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A rectangular glass slab ABCD of refractive index n1 ,
is given by ,
is immersed in water of refractive index n2 (n1 > n2 ). A ray of light is incident at the surface AB of the slab as shown in the figure. The maximum value of angle of incidence α max ,
such that the ray comes out only from the other surface CD ,
When light is incident on a medium at angle i and refracted into a second medium at an angle r, the graph of sin r versus sin i is as shown. From this one can conclude that
17
Nov
When light is incident on a medium at angle i and refracted into a second medium at an angle r, the graph of sin r versus sin i is as shown. From this one can conclude that the graph of sin r versus sin i is as shown. From this one can conclude that When [...]
A light beam is travelling from Region I to IV (Refer Figure). The refractive index in 4 Regions I, II, III and IV are n0, 2/n0 , 6/n0 and 8/n0 , respectively. The angle of incidence θ for which the beam just misses entering Region IV is
17
Nov
A light beam is travelling from Region I to IV (Refer Figure). The refractive index in 4 Regions I, II, III and IV are n0, 2/n0 , 6/n0 and 8/n0 , respectively. The angle of incidence θ for which the beam just misses entering Region IV is 2/n0 6/n0 and 8/n0 A light beam is [...]
A diver in a lake wants to signal his distress to a person sitting on the edge of the lake flashing his waterproof torch. He should direct the beam
17
Nov
A diver in a lake wants to signal his distress to a person sitting on the edge of the lake flashing his waterproof torch. He should direct the beam A diver in a lake wants to signal his distress to a person sitting on the edge of the lake flashing his waterproof torch. He should [...]
An air masked eye placed inside water refractive index, μ sees the outside world. The vertex angle of the cone in which the eye will see the outside world is
17
Nov
An air masked eye placed inside water refractive index, μ sees the outside world. The vertex angle of the cone in which the eye will see the outside world is An air masked eye placed inside water refractive index μ sees the outside world. The vertex angle of the cone in which the eye will [...]
A ray of light travelling in water is incident on its surface open to air. The angle of incidence is θ, which is less than the critical angle. Then there will be
17
Nov
A ray of light travelling in water is incident on its surface open to air. The angle of incidence is θ, which is less than the critical angle. Then there will be A ray of light travelling in water is incident on its surface open to air. The angle of incidence is θ which is [...]
A, B and C are three optical media of respective critical angles `C_1`, `C_2` and `C_3`. Total internal reflection of light can occur from A and B and also from B to C but not from C to A. Then the correct relation between critical angles is
17
Nov
A, B and C are three optical media of respective critical angles `C_1`, `C_2` and `C_3`. Total internal reflection of light can occur from A and B and also from B to C but not from C to A. Then the correct relation between critical angles is `C_2` and `C_3`. Total internal reflection of light [...]
A diver inside water sees the setting sun at (sin^−1 3/4 = 49^∘)(μω = 4/3)
17
Nov
A diver inside water sees the setting sun at (sin^−1 3/4 = 49^∘)(μω = 4/3) A diver inside water sees the setting sun at (sin^−1 3/4 = 49^∘)(μω = 4/3) November 17, 2020 Category: Cengage NEET by C.P Singh , Chapter 17 - Refraction of Light by Plane Surfaces , Part 2 ,
A ray of light travelling in a transparent medium falls on a surface separating the medium from air, at an angle of incidence of 45^∘. The ray undergoes total internal reflection. If u is the refractive index of the medium with respect to air, select the possible values of u from the following.
17
Nov
A ray of light travelling in a transparent medium falls on a surface separating the medium from air, at an angle of incidence of 45^∘. The ray undergoes total internal reflection. If u is the refractive index of the medium with respect to air, select the possible values of u from the following. A ray [...]
Posted in:
Cengage NEET by C.P Singh
,
Chapter 17 - Refraction of Light by Plane Surfaces
,
Part 2
,
Tags:
A ray of light travelling in a transparent medium falls on a surface separating the medium from air ,
at an angle of incidence of 45^∘. The ray undergoes total internal reflection. If u is the refractive index of the medium with respect to air ,
select the possible values of u from the following. ,