Which medium has the highest speed of light ?

Which medium has the highest speed of light ?
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The speed of light through zero is the highest
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Which medium has the highest speed of light? -General Knowledge

Description : Which medium has the highest speed of light? -General Knowledge

Last Answer : answer:

The refractive indices of four media A, B, C and D are given in the following table: light-reflection-and-refraction-chapter-wise-important-questions-class-10-science-9 If light, travels from one medium to another, in which case the change in speed will be (i) minimum, (ii) maximum? -Physics

Description : The refractive indices of four media A, B, C and D are given in the following table: light-reflection-and-refraction-chapter-wise-important-questions-class-10-science-9 If light, travels from one medium to another, in which case the change in speed will be (i) minimum, (ii) maximum? -Physics

Last Answer : (i) Minimum change is seen as light moves between 1.50 and 1.52, i.e. B and C. (ii) Maximum change when light moves between 1.33 and 2.40, i.e. A and D.

The characteristic invalid for heat radiation is that it travels – (1) in a straight line (2) in all directions (3) with the speed of light (4) heating the medium through which it passes

Description : The characteristic invalid for heat radiation is that it travels – (1) in a straight line (2) in all directions (3) with the speed of light (4) heating the medium through which it passes

Last Answer : (3) with the speed of light Explanation: Heat is a form of energy. An important property of heat is that it flows from a body at higher temperature to another body at lower temperature.

The speed of light with the rise in the temperature of the medium : (1) Increases (2) Decreases (3) Remains unaltered (4) Drops suddenly

Description : The speed of light with the rise in the temperature of the medium : (1) Increases (2) Decreases (3) Remains unaltered (4) Drops suddenly

Last Answer : (3) Remains unaltered Explanation: The speed of light with the rise in the temperature of the medium remains unaltered because speed of light doesn't depend on temperature. It does depend, however ... in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics.

The speed of light in vacuum "C" divided by the Index of Refraction "N" gives the: w) frequency of the light x) speed of the light in the medium y) energy of the light z) wavelength of the light

Description : The speed of light in vacuum "C" divided by the Index of Refraction "N" gives the: w) frequency of the light x) speed of the light in the medium y) energy of the light z) wavelength of the light

Last Answer : ANSWER: X -- SPEED OF THE LIGHT IN THE MEDIUM

The characteristic invalid for heat radiation is that it travels : (1) in a straight line (2) in all directions (3) with the speed of light (4) heating the medium through which it passes

Description : The characteristic invalid for heat radiation is that it travels : (1) in a straight line (2) in all directions (3) with the speed of light (4) heating the medium through which it passes

Last Answer : with the speed of light

The speed of light with the rise in the temperature of the medium : (1) Increases (2) Decreases (3) Remains unaltered (4) Drops suddenly

Description : The speed of light with the rise in the temperature of the medium : (1) Increases (2) Decreases (3) Remains unaltered (4) Drops suddenly

Last Answer : Remains unaltered

Which medium has the highest speed of sound ?

Description : Which medium has the highest speed of sound ?

Last Answer : The speed of sound through hard medium is the highest.

Which medium has the highest speed of sound ?

Description : Which medium has the highest speed of sound ?

Last Answer : Maximum speed of sound in water or through water.

Speed ‘v’ with which wave travels through a medium is given by A. modulus of elasticity/density of the medium B. modulus of elasticity/√(density of the medium) C. √(modulus of elasticity/density of the medium) D. v=d/t

Description : Speed ‘v’ with which wave travels through a medium is given by A. modulus of elasticity/density of the medium B. modulus of elasticity/√(density of the medium) C. √(modulus of elasticity/density of the medium) D. v=d/t

Last Answer : √(modulus of elasticity/density of the medium)

A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. (1) reflection (2) refraction (3) diffraction (4) total internal reflection

Description : A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. (1) reflection (2) refraction (3) diffraction (4) total internal reflection

Last Answer : (4) total internal reflection Explanation: If the angle of incidence of light ray in the denser medium is greater than the critical angle of the concerned media pair, the light is not at all reflected in to the rarer medium but is totally reflected. This is known as 'total internal reflection'.

The phenomenon of change in direction of light when it passes from one medium to another is called - (1) Propagation (2) Reflection (3) Refraction (4) Dispersion

Description : The phenomenon of change in direction of light when it passes from one medium to another is called - (1) Propagation (2) Reflection (3) Refraction (4) Dispersion

Last Answer : (3) Refraction Explanation: Refraction is the change in direction of wave propagation due to a change in its transmission medium. Due to the change of medium, the phase velocity of the wave is changed but its frequency remains constant.

Red light is used for signals because it has – (1) long wavelength (2) high intensity (3) high frequency (4) low refraction in the medium

Description : Red light is used for signals because it has – (1) long wavelength (2) high intensity (3) high frequency (4) low refraction in the medium

Last Answer : (1) long wavelength Explanation: Red is the international colour of stop signs and stop lights on highways and intersections because it is scattered the least by air molecules. The effect of scattering is ... the colours and is able to travel the longest distance through fog, rain, and the alike.

What name is given to the visible light emitted when charged particles pass through a transparent medium with a velocity exceeding the velocity of light in the medium?

Description : What name is given to the visible light emitted when charged particles pass through a transparent medium with a velocity exceeding the velocity of light in the medium?

Last Answer : ANSWER: CERENKOV RADIATION

When light enters an optically denser medium, the light ray: w) bends away from a normal to surface x) passes through unbent y) bends towards a normal to surface z) none of the above

Description : When light enters an optically denser medium, the light ray: w) bends away from a normal to surface x) passes through unbent y) bends towards a normal to surface z) none of the above

Last Answer : ANSWER: Y -- BENDS TOWARDS A NORMAL TO SURFACE

When a fast charged particle traverses a dielectric medium at a velocity exceeding the velocity of light in that medium, radiation is emitted. This radiation is known as: w) point radiation x) Cerenkov radiation y) Synchrotron radiation z) Bremsstrahlung

Description : When a fast charged particle traverses a dielectric medium at a velocity exceeding the velocity of light in that medium, radiation is emitted. This radiation is known as: w) point radiation x) Cerenkov radiation y) Synchrotron radiation z) Bremsstrahlung

Last Answer : ANSWER: X -- CERENKOV RADIATION

The phenomenon of change in direction of light when it passes from one medium to another is called (1) Propagation (2) Reflection (3) Refraction (4) Dispersion

Description : The phenomenon of change in direction of light when it passes from one medium to another is called (1) Propagation (2) Reflection (3) Refraction (4) Dispersion

Last Answer : Refraction

A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. (1) reflection (2) refraction (3) diffraction (4) total internal reflection

Description : A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. (1) reflection (2) refraction (3) diffraction (4) total internal reflection

Last Answer :  total internal reflection

Red light is used for signals because it has (1) long wavelength (2) high intensity (3) high frequency (4) low refraction in the medium

Description : Red light is used for signals because it has (1) long wavelength (2) high intensity (3) high frequency (4) low refraction in the medium

Last Answer : long wavelength

How is the speed of light with the rise in the temperature of the medium? -Do You Know?

Description : How is the speed of light with the rise in the temperature of the medium? -Do You Know?

Last Answer : answer:

What is the ratio of the speed of light in a medium to the speed of light in a vacum called?

Description : What is the ratio of the speed of light in a medium to the speed of light in a vacum called?

Last Answer : Refractive index

When a beam of light enters one medium from another, which quantity will not change? a. Direction b. Speed c. Frequency d. Wavelength

Description : When a beam of light enters one medium from another, which quantity will not change? a. Direction b. Speed c. Frequency d. Wavelength

Last Answer : c. Frequency

Quantity that do not change when a beam of light enters on e medium to another. A. Frequency B. Wavelength C. Direction D. Speed

Description : Quantity that do not change when a beam of light enters on e medium to another. A. Frequency B. Wavelength C. Direction D. Speed

Last Answer : A. Frequency

How is the speed of light with the rise in the temperature of the medium?

Description : How is the speed of light with the rise in the temperature of the medium?

Last Answer : Remains unaltered

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

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.

When a beam of light enters one medium from another, which quantity will not change? ∙ a. Direction ∙ b. Speed ∙ c. Frequency ∙ d. Wavelength

Description : When a beam of light enters one medium from another, which quantity will not change? ∙ a. Direction ∙ b. Speed ∙ c. Frequency ∙ d. Wavelength

Last Answer : c. Frequency

An index of refraction less than one for a medium would imply A. That the speed of light in the medium is the same as the speed of light in vacuum B. That the speed of light in the medium is greater than the speed of light in vacuum C. Refraction is not possible D. Reflection is not possible

Description : An index of refraction less than one for a medium would imply A. That the speed of light in the medium is the same as the speed of light in vacuum B. That the speed of light in the ... greater than the speed of light in vacuum C. Refraction is not possible D. Reflection is not possible

Last Answer : B. That the speed of light in the medium is greater than the speed of light in vacuum

Which color light has the highest frequency? w) green x) violet y) red z) yellow

Description : Which color light has the highest frequency? w) green x) violet y) red z) yellow

Last Answer : ANSWER: X -- VIOLET

Can you get me up to date on Neutrinos and their potential for unseating the speed of light as highest known speed?

Description : Can you get me up to date on Neutrinos and their potential for unseating the speed of light as highest known speed?

Last Answer : Article.

1. Karl Marx’s book ‘Das Kapital’ was published in which year? 2. What is Broad money in India? 3. Whose experiments proved that the speed of light was always the same? 4. What is the name of the highest summit of Nilgiri Hills? 5. By which act was the office of the Secretary of State for India?

Description : 1. Karl Marx's book Das Kapital' was published in which year? 2. What is Broad money in India? 3. Whose experiments proved that the speed of light was always the same? 4. What is ... Highways pass through Maharashtra, Chhattisgarh and Orissa? 20. Who coined the slogan Jai Jawan Jai Kisan ?

Last Answer : Answer : 1. 1867 2. M33. Michelson and Morley 4. Doda-betta 5. Government of India Act, 1858 6. Due to Reduction in oxygen 7. The United States 8. Chaucer 9. Kumaon Himalayas 10. 1858 A.D. 11. ... . It may issue a writ 17. Help the targetted groups 18. Mihir Sen 19. NH 6 20. Lal Bahadur Shastri

3. Find out, from Table, the medium having highest optical density. Also find the medium with lowest optical density. -Physics-10

Description : 3. Find out, from Table, the medium having highest optical density. Also find the medium with lowest optical density. -Physics-10

Last Answer : Lowest optical density = Air Highest optical density = Diamond The optical density of a medium is directly related to its refractive index. A medium with the highest refractive index will have the ... index. Hence, air has the lowest optical density and diamond has the highest optical density.

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 highest spread rate ?

Description : Which medium has the highest spread rate ?

Last Answer : The rate of diffusion through air is highest.

I heard that If anything travels at the speed of light space time warps ; then what about light...

Description : I heard that If anything travels at the speed of light space time warps ; then what about light...

Last Answer : answer:Maybe in the universe you design this should be so, but it's not in the one we share. Light travels at a certain speed (in what we consider the vacuum of space-and which may not be so vacuous ... it travels at different speeds as it enters air, water, glass, etc. That's just the way it is.

What do you think would happen if we broke the speed of light in a vacuum?

Description : What do you think would happen if we broke the speed of light in a vacuum?

Last Answer : Uh, not too much.

How do we know there is nothing faster than the speed of light?

Description : How do we know there is nothing faster than the speed of light?

Last Answer : Because we haven’t found it yet.

Can anything with mass go the speed of light?

Description : Can anything with mass go the speed of light?

Last Answer : Yes, money out of congress – sorry just had to say it!

Why does time slow down as one approaches the speed of light?

Description : Why does time slow down as one approaches the speed of light?

Last Answer : One thought experiment that shows that time does in fact slow down is to imagine two inertial frames of reference- call them spaceships if you want- moving relative to each other. Say that each ship has a ... that seems to contradict the twin paradox. Hmm I'll have to think on it a bit more.

Is the speed of light constant?

Description : Is the speed of light constant?

Last Answer : Yes. Is there more to this question?

If I were in a space ship traveling at the speed of light and turned on my headlights what would happen?

Description : If I were in a space ship traveling at the speed of light and turned on my headlights what would happen?

Last Answer : Too bad I fit the stereotype of “girls suck at physics”....but I love the question!

What do you suppose would happen if we were able to break the speed of light?

Description : What do you suppose would happen if we were able to break the speed of light?

Last Answer : Čerenkov radiation

“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

What would happen if you drove your car close to the speed of light and turned on the headlights? -Physics

Description : What would happen if you drove your car close to the speed of light and turned on the headlights? -Physics

Last Answer : Light in vacuum always travels at the same speed c, exactly 299,792,458 meters per second, no matter how it is created or in what frame it is observed. If you drove a car close to the speed ... space is much more feasible, but even then the sparse space dust starts to cause problems at such speeds.

What is the speed of light in diamond ?

Description : What is the speed of light in diamond ?

Last Answer : The speed of light in diamonds is 1.24x108ms-1

What is the speed of light in ordinary glass ?

Description : What is the speed of light in ordinary glass ?

Last Answer : The speed of light in ordinary glass is 2x108ms-1

What is the speed of light in water ?

Description : What is the speed of light in water ?

Last Answer : The speed of light in water is 2.26x108ms-1

What is the speed of light in air ?

Description : What is the speed of light in air ?

Last Answer : 29.9 * 108 = 2.981 * 108 ms -1

What is the speed of light ?

Description : What is the speed of light ?

Last Answer : The speed of light is 1, 6,000 miles per second or 3,000,000 km ( approximately ) .

What is the speed of light through dense ?

Description : What is the speed of light through dense ?

Last Answer : The speed of light decreases through dense.