Refractive index of a medium is calcu- lated by?

Refractive index of a medium is calcu-
lated by?
by

1 Answer

Answer :

Speed of light in vacuum/Speed of light in
medium$
by

Related questions

The refractive index of medium A is 1.5 and that of medium B is 1.33. If the speed of light in air is 3 x 108 m/s, what is the speed of light in medium A and B respectively? (a) 2 x 108 m/s and 1.33 x 108 m/s (b) 1.33 x 108 m/s and 2x 108 m/s (c) 2.25 x 108 m/s and 2 x 108 m/s (d) 2 x 108 m/s and 2.25 x 108 m/s

Description : The refractive index of medium A is 1.5 and that of medium B is 1.33. If the speed of light in air is 3 x 108 m/s, what is the speed of light in medium A and B respectively? (a) 2 x 108 m/s and 1.33 x 108 m/s (b) 1.33 ... 108 m/s (c) 2.25 x 108 m/s and 2 x 108 m/s (d) 2 x 108 m/s and 2.25 x 108 m/s

Last Answer : (d) 2 x 108 m/s and 2.25 x 108 m/s

A ray of light starting from air passes through medium A of refractive index 1.50, enters medium B of refractive index 1.33 and finally enters medium C of refractive index 2.42. If this ray emerges out in air from C, then for which of the following pairs of media the bending of light least? (a) air-A (b) A-B (c) B-C (d) C-air

Description : A ray of light starting from air passes through medium A of refractive index 1.50, enters medium B of refractive index 1.33 and finally enters medium C of refractive index 2.42. If this ray emerges out in air from C, then ... of media the bending of light least? (a) air-A (b) A-B (c) B-C (d) C-air

Last Answer : Answer : (b)

Assertion (A) :Sunlight reaches us without dispersion in the form of white light and not as a component. Reason(R) : Dispersion takes place due to variation of refractive index for different wavelength but in vaccum the speed of light is independent of wavelength and hence vaccum is a non- dispersive medium (a) Both A and R are true and R is the correct explanation of A. (b) Both A and R are true but R is not the correct explanation of A. (c) A is true but R is false. (d) A is false but R is true.

Description : Assertion (A) :Sunlight reaches us without dispersion in the form of white light and not as a component. Reason(R) : Dispersion takes place due to variation of refractive index for different wavelength but in vaccum the speed of ... of A. (c) A is true but R is false. (d) A is false but R is true.

Last Answer : (a) Both A and R are true and R is the correct explanation of A.

Which medium has the highest refractive index ?

Description : Which medium has the highest refractive index ?

Last Answer : Diamond has the highest refractive index.

Which medium has the lowest refractive index ?

Description : Which medium has the lowest refractive index ?

Last Answer : There is no refractive index without medium , so there will be zero medium.

What is the refractive index of alum medium ?

Description : What is the refractive index of alum medium ?

Last Answer : Alumina refractive index 1.456 .

What is the refractive index of water medium ?

Description : What is the refractive index of water medium ?

Last Answer : Refractive index through water is 1.33 .

If the velocity of propagation in a certain medium is 200x106 m/s, what is its refractive index? A. 1.3 B. 1.5 C. 1.27 D. 0.67

Description : If the velocity of propagation in a certain medium is 200x106 m/s, what is its refractive index? A. 1.3 B. 1.5 C. 1.27 D. 0.67

Last Answer : B. 1.5

Find the relative permittivity of the medium having a refractive index of 1.6 a) 0.4 b) 2.56 c) 3.2 d) 4.8

Description : Find the relative permittivity of the medium having a refractive index of 1.6 a) 0.4 b) 2.56 c) 3.2 d) 4.8

Last Answer : b) 2.56

For a critical angle of 60 degree and the refractive index of the first medium is 1.732, the refractive index of the second medium is a) 1 b) 1.5 c) 2 d) 1.66

Description : For a critical angle of 60 degree and the refractive index of the first medium is 1.732, the refractive index of the second medium is a) 1 b) 1.5 c) 2 d) 1.66

Last Answer : b) 1.5

The refractive index of a medium with permittivity of 2 and permeability of 3 is given by a) 3.56 b) 2.45 c) 3.21 d) 1.78

Description : The refractive index of a medium with permittivity of 2 and permeability of 3 is given by a) 3.56 b) 2.45 c) 3.21 d) 1.78

Last Answer : b) 2.45

Find the ratio of the refractive index of medium 1 to that of medium 2, when the incident and reflected angles are given by 300 and 450 respectively. a) 0.5 b) 1 c) 2 d) 4

Description : Find the ratio of the refractive index of medium 1 to that of medium 2, when the incident and reflected angles are given by 300 and 450 respectively. a) 0.5 b) 1 c) 2 d) 4

Last Answer : c) 2

Find the ratio of refractive index of medium 2 to that of medium 1, when the Brewster angle is 60 degree. a) 0.707 b) 1.5 c) 0.866 d) 1.732

Description : Find the ratio of refractive index of medium 2 to that of medium 1, when the Brewster angle is 60 degree. a) 0.707 b) 1.5 c) 0.866 d) 1.732

Last Answer : d) 1.732

Find the refractive index of a medium having a velocity of 1.5 x 10 8 . a) 0.5 b) 5 c) 0.2 d) 2

Description : Find the refractive index of a medium having a velocity of 1.5 x 10 8 . a) 0.5 b) 5 c) 0.2 d) 2

Last Answer : d) 2

Pick up the correct statement from the following: (A) The refractive index of a medium varies according to the wavelength of the radiation, (B) The variation of the refractive index with wave length, is called dispersion, (C) The splitting of colours of white light by passing through a prism is caused due to dispersion (D) All of these

Description : Pick up the correct statement from the following: (A) The refractive index of a medium varies according to the wavelength of the radiation, (B) The variation of the refractive index with wave length, ... of white light by passing through a prism is caused due to dispersion (D) All of these

Last Answer : Answer: Option D

According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n1) on another medium (refractive index m2); (A) The angle of incidence is equal to the angle of refraction (B) The angle of refraction r) is given by sin i (C) Both (a) and (b) (D) Neither (a) nor (b)

Description : According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n1) on another medium (refractive index m2); (A) The angle of incidence is equal to the angle of refraction (B) The angle of ... r) is given by sin i (C) Both (a) and (b) (D) Neither (a) nor (b)

Last Answer : Answer: Option B

Two copper wires A and B of equal masses are taken. The length of A is double the length of B. If the resistance of wire A is `160 Omega `, then calcu

Description : Two copper wires A and B of equal masses are taken. The length of A is double the length of B. If the resistance of wire A is `160 Omega `, then calcu

Last Answer : Two copper wires A and B of equal masses are taken. The length of A is double the length of ... Omega `, then calculate the resistance of the wire B.

The speed of light in water is of that in air. What is the refractive index of water? (a) 3/4 (b) 4/3 (c) 1/4 (d) 0

Description : The speed of light in water is of that in air. What is the refractive index of water? (a) 3/4 (b) 4/3 (c) 1/4 (d) 0

Last Answer : Ans:(b)

The critical angle of a glass slab increases with (a) Increase in the refractive index of glass (b) Decrease in the refractive index of glass (c) Increase in temperature (d) None of these

Description : The critical angle of a glass slab increases with (a) Increase in the refractive index of glass (b) Decrease in the refractive index of glass (c) Increase in temperature (d) None of these

Last Answer : Ans:(d)

The critical angle for a transport solid is 30°. Then its refractive index is (a) 2.5 (b) 1.8 (c) 1.5 (d) 2

Description : The critical angle for a transport solid is 30°. Then its refractive index is (a) 2.5 (b) 1.8 (c) 1.5 (d) 2

Last Answer : Ans:(d)

The angle of minimum deviation of an equiangular prism, having a refractive index of 1.732 is (a) 60° (b) 30° (c) 45° (d) 0°

Description : The angle of minimum deviation of an equiangular prism, having a refractive index of 1.732 is (a) 60° (b) 30° (c) 45° (d) 0°

Last Answer : Ans:(a)

The refractive index of the material of a glass prism depends upon (a) The angle of the prism (b) The intensity of the incident light ray (c) The colour of the incident light ray (d) Size of the prism

Description : The refractive index of the material of a glass prism depends upon (a) The angle of the prism (b) The intensity of the incident light ray (c) The colour of the incident light ray (d) Size of the prism

Last Answer : Ans:(c)

The ratio of real depth to apparent depth is called : A. Refractive index B. Critical angle C. Lateral displacement D. None

Description : The ratio of real depth to apparent depth is called : A. Refractive index B. Critical angle C. Lateral displacement D. None

Last Answer : A. Refractive index

6. “The refractive index of diamond is 2.42”. What is the meaning of this statement in relation to speed of light? [Delhi] -Chemistry-10

Description : 6. “The refractive index of diamond is 2.42”. What is the meaning of this statement in relation to speed of light? [Delhi] -Chemistry-10

Last Answer : Answer. hope this helps you

5. The refractive index of diamond is 2.42. What is the meaning of this statement? -Physics-10

Description : 5. The refractive index of diamond is 2.42. What is the meaning of this statement? -Physics-10

Last Answer : Diamond has a refractive index of 2.42 which means that the speed of light in diamond will reduce by a factor of 2.42 as compared to its speed in the air. In other words, the speed of light in diamond is 1/2.42 times the speed of light in vacuum.

2. Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 x 108 ms-1. -Physics-10

Description : 2. Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 x 108 ms-1. -Physics-10

Last Answer : Refractive index of a medium (nm) = Speed of light in vacuum/Speed of light in the medium Speed of light in vacuum (c) = 3 × 108 m/s Refractive index of glass (ng) = 1.50 Speed of light in the ... Speed of light in vacuum/ Refractive index of glass = c/ng =3 × 108/1.50 = 2x 108 ms-1.

“The refractive index of diamond is 2.42”. What is the meaning of this statement in relation to speed of light? -Physics

Description : “The refractive index of diamond is 2.42”. What is the meaning of this statement in relation to speed of light? -Physics

Last Answer : I hope it helped you

The refractive index of a given piece of transparent quartz is greatest for which light? -Do You Know?

Description : The refractive index of a given piece of transparent quartz is greatest for which light? -Do You Know?

Last Answer : answer:

The refractive index of a piece of transparent quartz is the greatest for which light? -Do You Know?

Description : The refractive index of a piece of transparent quartz is the greatest for which light? -Do You Know?

Last Answer : answer:

What is Refractive Index ? -Physics

Description : What is Refractive Index ? -Physics

Last Answer : Refractive index is a measure of how much speed of light changes when it enter the medium from air.

What is the refractive index of sound 1.44?

Description : What is the refractive index of sound 1.44?

Last Answer : The refractive index of sound through kerosene oil is 1.44 .

What is the refractive index of sound 1.6?

Description : What is the refractive index of sound 1.6?

Last Answer : The refractive index of sound through mica is 1.6 .

What is the refractive index of sound 1.456?

Description : What is the refractive index of sound 1.456?

Last Answer : The refractive index of sound through alum is 1.456 .

What is the refractive index of sound 2.63?

Description : What is the refractive index of sound 2.63?

Last Answer : The refractive index of sound through glass is 2.63 .

What is the refractive index of sound 2.42?

Description : What is the refractive index of sound 2.42?

Last Answer : The refractive index of sound through diamond is 2.42 .

What is the refractive index of sound 1.33?

Description : What is the refractive index of sound 1.33?

Last Answer : The refractive index of sound through water is 1.33 .

What is the refractive index of sound 1.30?

Description : What is the refractive index of sound 1.30?

Last Answer : The refractive index of sound through ice is 1.30 .

What is the value of refractive index through diamond ?

Description : What is the value of refractive index through diamond ?

Last Answer : The refractive index of light with zero medium through diamond is 2.42.

What is the refractive index of optical fiber material ?

Description : What is the refractive index of optical fiber material ?

Last Answer : The refractive index of optical fiber material is 1.7 .

What is the refractive index through glass ?

Description : What is the refractive index through glass ?

Last Answer : Refractive index through glass 2.63 .

What is the refractive index through ice ?

Description : What is the refractive index through ice ?

Last Answer : Refractive index through ice is 1.30 .

What is the refractive index through diamond ?

Description : What is the refractive index through diamond ?

Last Answer : Diamond refractive index 2.42 .

What is the refractive index through air ?

Description : What is the refractive index through air ?

Last Answer : Refractive index by air is 1.00029 .

What is the refractive index ?

Description : What is the refractive index ?

Last Answer : : The refractive index can be determined with the help of spectrometer.

What is the refractive index of light in water ?

Description : What is the refractive index of light in water ?

Last Answer : The refractive index of light in water is 1.33

What is the refractive index of light in air ?

Description : What is the refractive index of light in air ?

Last Answer : : The refractive index of light in air is 1.00029

What is the refractive index of light through zero ?

Description : What is the refractive index of light through zero ?

Last Answer : The refractive index of light through zero is 1.00 .

What is refractive index ?

Description : What is refractive index ?

Last Answer : When the light of a certain color enters diagonally from one transparent medium to another, the constant number which is the ratio of the sine of the angle of incidence and the angle of refraction is called the relative refractive index of the second medium relative to the first medium .

What is the refractive index expressed by ?

Description : What is the refractive index expressed by ?

Last Answer : The symbol used to express the refractive index is η ( that)

What is meant by refractive index ?

Description : What is meant by refractive index ?

Last Answer : When the light of a certain color enters diagonally from one transparent medium to another, then the constant number which is the ratio of the sine of the angle of incidence and the angle of refraction is called the relative refractive index of the second medium relative to the first medium .