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Refraction And Dispersion By Prism Free Doubts and Solutions

CBSE - XII Science - Physics - Ray Optics and Optical Instruments

pls solve.....

Asked by pksunilnair 5th December 2017, 6:56 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

When red light goes from air to water. What will be it's colour in water
 

Asked by nareshkumar 19th October 2017, 1:09 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

from boards point of view is scattering of light , human eye and combination of mirror and lens can be asked  in exams?

Asked by vasturushi 7th September 2017, 2:27 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

one face of prism of refractive index 1.5(n1) and refracting angle 75  is covered with a liquid refractive index  of 1.06(n2).what should be the angle of incidence of light on the clear face of prism for which light should be totally internally reflected at the liquid covered face ?

Asked by Rzainabafra - 13th March 2017, 4:01 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

show that no ray can pass through the prism whose refracting angle A is greater than twice the critical angle for the material of the prism.   (2008 cbse)

Asked by rohit dalal 17th February 2015, 10:19 AM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

A right angled prism made from a material of refractive index 𝜇 is kept in air. A ray PQ is incident normally on the side AB of the prism.Find (in terms of 𝜇) the maximum value of 𝜃 upto which this incident ray necessarily undergoes total internal reflection at the face AC of the prism.

Asked by Indra 1st February 2015, 7:55 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

A ray of light, incident on an equilateral glass prismSyntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. moves parallel to the base line of the prism it. Find the angle of incidence for this ray

Asked by Topperlearning User 8th July 2014, 3:16 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

A ray of light passing through an equilateral triangular glass prism from air undergoes minimum deviation when angle of incidence is of the angle of prism. Calculate the speed of light in the prism.

Asked by Topperlearning User 11th June 2014, 7:00 AM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

Draw a ray diagram to show refraction of a ray of monochromatic light passing through a glass prism.Deduce the expression for the refractive index of glass in terms of angle of prism and angle of minimum deviation.

Asked by Topperlearning User 11th June 2014, 6:55 AM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

Calculate the refractive index of a material of prism of angle 15 degrees which gives a deviation of 8 degrees.

Asked by Topperlearning User 10th June 2014, 2:43 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

State the factor on which the dispersive power of a prism depends?

Asked by Topperlearning User 10th June 2014, 2:38 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

Can we combine two prism? If yes what is the purpose?

Asked by Topperlearning User 10th June 2014, 2:28 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

Define dispersion.

Asked by Topperlearning User 10th June 2014, 2:07 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

What is the difference in refraction through a prism and refraction through a glass slab?

Asked by Topperlearning User 10th June 2014, 2:00 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

What is a prism?

Asked by Topperlearning User 10th June 2014, 1:48 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

Write the relationship between angle of incidence 'i', angle of prism 'A' and angle of minimum deviation for a triangular prism.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

A prism of angle 60º gives a minimum deviation of 30º. What is the refractive index of the material of the prism ?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

Define dispersive power and derive its formula.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

Calculate the angular dispersion produced by a prism of angle 6 degree, if the refractive indices of material of prism for blue and green colours are 1.664 and 1.655.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

What causes the phenomenon of dispersion?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

Calculate the deviation produced by a prism of angle 8 degree, for a material of refractive index 1.5.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

which is the crystal in which dispersion doesnt take place? (excluding glass slab)

Asked by Sagar krishna 17th May 2014, 10:02 PM
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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

Question on dispersion

Asked by 4th March 2008, 11:38 AM
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