You have to prepare a prism to disperse light to get spectrum. The glass used is

You have to prepare a prism to disperse light to get spectrum. The glass used is
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lead

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When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is - (1) the violet ray (2) the red ray (3) the green ray (4) the blue ray

Description : When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is - (1) the violet ray (2) the red ray (3) the green ray (4) the blue ray

Last Answer : (2) the red ray Explanation: Red is deviated the least and violet the most.

Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight. (a) Isaac Newton (b) Einstein (c) Kepler (d) Hans Christian Oersted

Description : Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight. (a) Isaac Newton (b) Einstein (c) Kepler (d) Hans Christian Oersted

Last Answer : (a) Isaac Newton

In a certain spectrum produced by a glass prism of dispersive power `0.0305,` it is found that the refractive index for the red ray is `1.645.`and tha

Description : In a certain spectrum produced by a glass prism of dispersive power `0.0305,` it is found that the refractive index for the red ray is `1.645.`and tha

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When white light passes through a glass prism, it gets dispersed into colours because (a) glass imparts colours to the light (b) different colours have different speeds in glass (c) interference of light occurs (d) diffraction of light occurs

Description : When white light passes through a glass prism, it gets dispersed into colours because (a) glass imparts colours to the light (b) different colours have different speeds in glass (c) interference of light occurs (d) diffraction of light occurs

Last Answer : Ans:(b)

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)

Which of the following coloured light has the least speed in glass prism? (a) Violet (b) Yellow (c) Red (d) Green

Description : Which of the following coloured light has the least speed in glass prism? (a) Violet (b) Yellow (c) Red (d) Green

Last Answer : (a) Violet

In the following diagram, the path of a ray of light passing through a glass prism is shown: In this diagram the angle of incidence, the angle of emergence and the angle of deviation respectively are (select the correct option): (a) X, R and T (b) Y, Q and T (c) X, Q and P (d) Y, Q and P

Description : In the following diagram, the path of a ray of light passing through a glass prism is shown: In this diagram the angle of incidence, the angle of emergence and the angle of deviation respectively are (select the correct option): (a) X, R and T (b) Y, Q and T (c) X, Q and P (d) Y, Q and P

Last Answer : (d) Y, Q and P

A glass prism has a refracting angle of `60^@`. The angle of minimum deviation is `40^@`. If velocity of light in vacuum is `3 xx 10^8 m//s`. Calculat

Description : A glass prism has a refracting angle of `60^@`. The angle of minimum deviation is `40^@`. If velocity of light in vacuum is `3 xx 10^8 m//s`. Calculat

Last Answer : A glass prism has a refracting angle of `60^@`. The angle of minimum deviation is `40^@`. If ... of light in glass. What is the angle of incidence ?

The refracting angle of a glass prism is `60^(@)`. The value of minium deviation for light passing through the prism is `40^(@)`. Calculate the value

Description : The refracting angle of a glass prism is `60^(@)`. The value of minium deviation for light passing through the prism is `40^(@)`. Calculate the value

Last Answer : The refracting angle of a glass prism is `60^(@)`. The value of minium deviation for light passing through the ... prism. Given `sin 50^(@) = 0.766`.

A thin glass prism placed in air produces minimum deviation of `4^(@)` in a light ray. If the prism is immersed in water, what will be the minimum dev

Description : A thin glass prism placed in air produces minimum deviation of `4^(@)` in a light ray. If the prism is immersed in water, what will be the minimum dev

Last Answer : A thin glass prism placed in air produces minimum deviation of `4^(@)` in a light ray. If the prism is immersed in ... //2` and `.^(a)mu_(w) = 4//3`.

A ray of light is incident on the glass prism at an angle of `40^(@)`. Find the angle of emergence, if the angle of prism is `60^(@)` and refractive i

Description : A ray of light is incident on the glass prism at an angle of `40^(@)`. Find the angle of emergence, if the angle of prism is `60^(@)` and refractive i

Last Answer : A ray of light is incident on the glass prism at an angle of `40^(@)`. Find the angle of emergence, ... prism is `60^(@)` and refractive index is 1.5.

Which of the following is used to split white light into different colours? (1) Glass slab (2) Convex lens (3) Concave lens (4) Prism

Description : Which of the following is used to split white light into different colours? (1) Glass slab (2) Convex lens (3) Concave lens (4) Prism

Last Answer : (4) Prism Explanation: In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. At least two of the flat surfaces must have an angle between them. The ... a triangular base and rectangular sides, and in colloquial use "prism" usually refers to this type.

Which of the following is used to split white light into different colours ? (1) Glass slab (2) Convex lens (3) Concave lens (4) Prism

Description : Which of the following is used to split white light into different colours ? (1) Glass slab (2) Convex lens (3) Concave lens (4) Prism

Last Answer : Prism

The colour that deviates minimum through glass prism is?

Description : The colour that deviates minimum through glass prism is?

Last Answer : Violet

The colour that deviates maximum through glass prism is?

Description : The colour that deviates maximum through glass prism is?

Last Answer : red.

A ray incident normally on one face of a right-angled isosceles glass prism in air is deviated through `90^(@)`. What can you say about the refractive

Description : A ray incident normally on one face of a right-angled isosceles glass prism in air is deviated through `90^(@)`. What can you say about the refractive

Last Answer : A ray incident normally on one face of a right-angled isosceles glass prism in air is deviated ... you say about the refractive index of glass ?

The refractive indices for lights of violet, yellow and red colours for a flint glass prism are respectively 1.632, 1.620 and 1.613. Find the dispersi

Description : The refractive indices for lights of violet, yellow and red colours for a flint glass prism are respectively 1.632, 1.620 and 1.613. Find the dispersi

Last Answer : The refractive indices for lights of violet, yellow and red colours for a flint glass prism are ... Find the dispersive power of the prism material.

The deviation caused for red, yellow and violet colours for crown glass prism are `2.84^(@),3.28^(@)` and `3.72^(@)` respectively. The dispersive powe

Description : The deviation caused for red, yellow and violet colours for crown glass prism are `2.84^(@),3.28^(@)` and `3.72^(@)` respectively. The dispersive powe

Last Answer : The deviation caused for red, yellow and violet colours for crown glass prism are `2.84^( ... respectively. The dispersive power of prism material is:

Prismatic compass is considered more accurate than a surveyor's compass, because (A) It is provided with a better magnetic needle (B) It is provided with a sliding glass in the object vane (C) Its graduations are in whole circle bearings (D) It is provided with a prism to facilitate reading of its graduated circle

Description : Prismatic compass is considered more accurate than a surveyor's compass, because (A) It is provided with a better magnetic needle (B) It is provided with a sliding glass in the object vane ( ... whole circle bearings (D) It is provided with a prism to facilitate reading of its graduated circle

Last Answer : (D) It is provided with a prism to facilitate reading of its graduated circle

It is said that, in the very distant future black holes could leak and disperse. Can that happen? If it can, how? -Space

Description : It is said that, in the very distant future black holes could leak and disperse. Can that happen? If it can, how? -Space

Last Answer : After 1040 years, black holes will dominate the universe. They will slowly evaporate via Hawking radiation. A black hole with a mass of around 1 M ☉ will vanish in around 2 1066 years. As the ... black hole is proportional to the cube of its mass, more massive black holes take longer to decay.

The colloidal system in which the disperse phase and dispersion medium are both liquids is known as :

Description : The colloidal system in which the disperse phase and dispersion medium are both liquids is known as :

Last Answer : The colloidal system in which the disperse phase and dispersion medium are both liquids is known as : A. an emulsion B. an areosol C. gel D. a foam

How do seeds disperse?

Description : How do seeds disperse?

Last Answer : Apple seeds disappear because you eat them

How can wind help disperse seeds?

Description : How can wind help disperse seeds?

Last Answer : Two examples are the fluffy seeds of the dandelion and the rose-bay willow herb blowing far and wide on the wind.

What type of fruits the animals and fruits and how they disperse seeds?

Description : What type of fruits the animals and fruits and how they disperse seeds?

Last Answer : Feel Free to Answer

How does papaya seed disperse?

Description : How does papaya seed disperse?

Last Answer : we eat it

Tear gas used by the police to disperse the mob contains - (1) Carbon dioxide (2) Chlorine (3) Ammonia (4) Hydrogen sulphide

Description : Tear gas used by the police to disperse the mob contains - (1) Carbon dioxide (2) Chlorine (3) Ammonia (4) Hydrogen sulphide

Last Answer : (2) Chlorine Explanation: Tear gas, formally known as a lachrymatory agent, is a possibly lethal chemical weapon that stimulates the corneal nerves in the eyes to cause tears, pain, and even blindness.

Tear gas used by the police to disperse the mob contains – (1) carbon dioxide (2) chlorine (3) ammonia (4) hydrogen sulphide

Description : Tear gas used by the police to disperse the mob contains – (1) carbon dioxide (2) chlorine (3) ammonia (4) hydrogen sulphide

Last Answer : (2) chlorine Explanation: Tear gas is a compound. Each molecule of tear gas contains one atom of chlorine. The compound 2- chlorobenzalmalononitrile, a cyanocarbon, is the defining component of a "tear gas" commonly referred to as CS gas, which is used as a riot control agent.

Why it is necessary to disperse seeds and fruits?

Description : Why it is necessary to disperse seeds and fruits? 

Last Answer : Transfer of seeds and fruits from their parents is called their dispersal. It reduce the competition for light, water, space and other nutrients between members of species

Which dyes become linked to the fibre by chemical reaction? (a) Acid dyes (b) Direct dyes (c) Disperse dyes (d) None of these

Description : Which dyes become linked to the fibre by chemical reaction? (a) Acid dyes (b) Direct dyes (c) Disperse dyes (d) None of these

Last Answer : Acid dyes

How does a blog directly impact sales of a company? A. It is typically used as the way to disperse company coupons B. It can be used to talk negatively about the competition C. It tells customers what products to buy D. Typically a blog does not directly create sales

Description : How does a blog directly impact sales of a company? A. It is typically used as the way to disperse company coupons B. It can be used to talk negatively about the competition C. It tells customers what products to buy D. Typically a blog does not directly create sales

Last Answer : A. It is typically used as the way to disperse company coupons

Select the option that is most nearly OPPOSITE in meaning to the word in BOLD. Don’t dissipate your strength on useless projects. (a) Conserve (b) Disperse (c) Dispel (d) Squander

Description : Select the option that is most nearly OPPOSITE in meaning to the word in BOLD. Don’t dissipate your strength on useless projects. (a) Conserve (b) Disperse (c) Dispel (d) Squander

Last Answer : (a) Conserve

Tear gas used by the police to disperse the mob contains (1) carbon dioxide (2) chlorine (3) ammonia (4) hydrogen sulphide

Description : Tear gas used by the police to disperse the mob contains (1) carbon dioxide (2) chlorine (3) ammonia (4) hydrogen sulphide

Last Answer : chlorine

A small hole in the window of a closed room forms an inverted image of outside building on the opposite wall of the room. This happens because (a) the rays of light suffer lateral inversion on entering the hole (b) of the rectilinear propagation of light (c) the hole acts as a convex lens (d) the hole acts as a prism

Description : A small hole in the window of a closed room forms an inverted image of outside building on the opposite wall of the room. This happens because (a) the rays of light suffer lateral inversion on entering the ... propagation of light (c) the hole acts as a convex lens (d) the hole acts as a prism

Last Answer : Ans:(b)

When white light is passed through a prism, it splits into ----- colours. A. 5 B. 6 C. 7 (Answer) D. 8

Description : When white light is passed through a prism, it splits into ----- colours. A. 5 B. 6 C. 7 (Answer) D. 8

Last Answer : C. 7 (Answer)

The image shows the dispersion of the white light in the prism. What will be the colours of the X, Y and Z? (a) X: red; Y: green; Z: violet (b) X: violet; Y: green; Z: red (c) X: green; Y: violet; Z: red (d) X: red; Y: violet; Z: green

Description : The image shows the dispersion of the white light in the prism. What will be the colours of the X, Y and Z? (a) X: red; Y: green; Z: violet (b) X: violet; Y: green; Z: red (c) X: green; Y: violet; Z: red (d) X: red; Y: violet; Z: green

Last Answer : (b) X: violet; Y: green; Z: red

When a ray of light passes through a prism,

Description : When a ray of light passes through a prism,

Last Answer : When a ray of light passes through a prism, A. the deviation of red light is maximum. B. the ... blue light is maximum. D. all rays deviate equally.

A ray of light incident at `49^(@)` on the face of an equilaternal prism passes symmetrically. Calculate the refractive index of the material of the p

Description : A ray of light incident at `49^(@)` on the face of an equilaternal prism passes symmetrically. Calculate the refractive index of the material of the p

Last Answer : A ray of light incident at `49^(@)` on the face of an equilaternal prism passes symmetrically. ... the refractive index of the material of the prism.

The refractive index of the material of a prism of `60^(@)` angle for yellow light is `sqrt(2)`. Calculate angle of minimum deviation, angle of incide

Description : The refractive index of the material of a prism of `60^(@)` angle for yellow light is `sqrt(2)`. Calculate angle of minimum deviation, angle of incide

Last Answer : The refractive index of the material of a prism of `60^(@)` angle for yellow light is ... deviation, angle of incidence and angle of refraction.

A ray of light is incident at an angle of `60^(@)` on one face of a prism of angle `30^(@)`. The ray emerging out of the prism makes an angle of `30^(

Description : A ray of light is incident at an angle of `60^(@)` on one face of a prism of angle `30^(@)`. The ray emerging out of the prism makes an angle of `30^(

Last Answer : A ray of light is incident at an angle of `60^(@)` on one face of a prism of angle `30^(@)` ... of `30^(@)` with the incident ray. The emergent ray is

A ray of light is inclined to one face of a prism at an angle of `60^@`. If angle of prism is `60^@` and the ray deviated through an angle of `42^@` f

Description : A ray of light is inclined to one face of a prism at an angle of `60^@`. If angle of prism is `60^@` and the ray deviated through an angle of `42^@` f

Last Answer : A ray of light is inclined to one face of a prism at an angle of `60^@`. If angle of ... which the emergent ray makes with second face of the prism.

White light is passed through a prism of `5^(@)`. If refractive indices for red and blue rays are `1.641 and 1.659` respectively, calculate the angula

Description : White light is passed through a prism of `5^(@)`. If refractive indices for red and blue rays are `1.641 and 1.659` respectively, calculate the angula

Last Answer : White light is passed through a prism of `5^(@)`. If refractive indices for red and ... respectively, calculate the angular dispersion of the prism.

A ray of light suffers a deviation of `3.2^(@)` on passing through a thin prism of angle `5^(@)`. What is the refractive index of the material of the

Description : A ray of light suffers a deviation of `3.2^(@)` on passing through a thin prism of angle `5^(@)`. What is the refractive index of the material of the

Last Answer : A ray of light suffers a deviation of `3.2^(@)` on passing through a thin prism of angle ` ... is the refractive index of the material of the prism ?

A ray of light falls on a normally on a refracting face of a prism. Find the angle of prism if the ray just fails to emerge from the prism `(mu=3//2).

Description : A ray of light falls on a normally on a refracting face of a prism. Find the angle of prism if the ray just fails to emerge from the prism `(mu=3//2).

Last Answer : A ray of light falls on a normally on a refracting face of a prism. Find the angle of prism if the ray ... fails to emerge from the prism `(mu=3//2).`

What is the small index of refractive of the material of a right angled prism with equal sides for which a ray of light entering one of the sides norm

Description : What is the small index of refractive of the material of a right angled prism with equal sides for which a ray of light entering one of the sides norm

Last Answer : What is the small index of refractive of the material of a right angled prism with equal sides ... of the sides normally will be totally reflected ?

When white light is leaves a prism it comes out looking like what?

Description : When white light is leaves a prism it comes out looking like what?

Last Answer : Need answer

Why does a rainbow appear when white light shines into a prism?

Description : Why does a rainbow appear when white light shines into a prism?

Last Answer : Need answer

What happens when light goes through a prism?

Description : What happens when light goes through a prism?

Last Answer : when normal white light is passed through a prism, it is splitup into all the rainbow colors.

How can you can cause light separated by a prism to combine.?

Description : How can you can cause light separated by a prism to combine.?

Last Answer : take away the prism

How can you can cause light separated by a prism to combine.?

Description : How can you can cause light separated by a prism to combine.?

Last Answer : take away the prism

Which of the following colour of light deviates least through the prism? (1) yellow (2) green (3) violet (4) red

Description : Which of the following colour of light deviates least through the prism? (1) yellow (2) green (3) violet (4) red

Last Answer : (4) red Explanation: In refracting media like glass prism, water, etc., lights of different colors travel with different speeds. The speed of violet colour is the least, while the speed of red ... violet colour is deviated the most, while red colour is deviated least on passing through the prism.