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.
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.
Description : When a ray passes through a prism ______. A. It goes undeviated B. It remain parallel to a base C. It bends towards the base D. None
Last Answer : C. It bends towards the base
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)
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.
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 ?
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
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
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`.
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.
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).`
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 ?
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)
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)
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
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 ?
Description : Critical angle is minimum when a light ray passes which thing?
Last Answer : Glass to air
Description : Assume that a ray of light passes from glass into air at an angle of incidence greater than zero degrees. Will the ray of light be bent toward or away from the normal as it passes into the air?
Last Answer : ANSWER: AWAY FROM
Description : As shown in Fig. `PQ` is a ray incident on prism `ABC`. Show the corresponding refracted and emergent rays. The critical angle for the material of the
Last Answer : As shown in Fig. `PQ` is a ray incident on prism `ABC`. Show the corresponding refracted and ... is refractive index of the material of prism ? .
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
Last Answer : In a certain spectrum produced by a glass prism of dispersive power `0.0305,` it is found that ... . What is the refractive index for the yellow ray?
Description : 147 A ray directed towards the centre of curvature of a spherical mirror a) become parallel to principal axis b)retraces its path c)appears to diverge from focus d)passes through focus.
Last Answer : b)retraces its path
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`.
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.
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.
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.
Description : Which colour of light shows maximum deviation when passed through a prism? (1) Red (2) Green (3) Violet (4) Yellow
Last Answer : (3) Violet Explanation: When passed through a prism violet colour of light shows maximum deviation. As white light passes through a prism, the voilet component, having the minimum wave length observes the maximum refractive index for the prism and, thus, gets deviated to the maximum extent.
Description : Which colour of light shows maximum deviation when passed through a prism? (1) White (2) Red (3) Violet (4) Green
Last Answer : (3) Violet Explanation: The angle of deviation, by which the light of a particular wavelength gets deviated on passing through a medium, depends upon the refractive index of the medium, as ... wavelength. The smaller the wavelength of the passing light, the greater is the refractive index observed.
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)
Description : One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of (a) violet and green light (b) indigo and green light (c) orange and yellow light (d) blue and red light.
Last Answer : (d) blue and red light.
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
Last Answer : red
Description : Which colour of light shows maximum deviation when passed through a prism ? (1) Red (2) Green (3) Violet (4) Yellow
Last Answer : Violet
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 ?
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.
Description : When white light is leaves a prism it comes out looking like what?
Last Answer : Need answer
Description : Why does a rainbow appear when white light shines into a prism?
Description : How can you can cause light separated by a prism to combine.?
Last Answer : take away the 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
Description : "Tice splitting of different colours of light in a prism is : (1) Reflection of light (2) Dispersion light (3) Diffraction light (4) Refraction of light
Last Answer : (2) Dispersion light Explanation: The refractive index of many materials (such as glass) varies with the wavelength or colour of the light used, a phenomenon known as dispersion. This causes ... a wave depends on its frequency, or alternatively when the group velocity depends on the frequency.
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.
Description : You have to prepare a prism to disperse light to get spectrum. The glass used is
Last Answer : lead glass.
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
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
Description : The white light after falling on prism gets split into seven colours due to _______ of light. a) reflection b)refraction c)dispersion d)bend
Last Answer : c)dispersion
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
Description : The splitting of different colours of light in a prism is : (1) Reflection of light (2) Disperson of light (3) Diffraction of light (4) Refraction of lights
Last Answer : Disperson of light
Description : A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x. dimction. Assume thatall photons emitted due
Last Answer : A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the ... light D. B will contain some visible light
Description : What is happening When light passes through a transparent material it's direction is visually changed slightly?
Last Answer : That is called "refraction", and it is related to the fact thatlight travels slower in some materials than in others.
Description : When light strikes materialsit passes through thembut it is scattered from its straight parth?