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# a beam of white light falling on a glass prism cannot be

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## A bearm of white light is shone onto a glass prism. The light cannot be : a deviated b dispersed c focused d refracted

A bearm of white light is shone onto a glass prism. The light cannot be : a deviated b dispersed c focused d refracted

Dispersion of White Light by Glass Prism

A bearm of wh... Question

A bearm of white light is shone onto a glass prism. The light cannot be :

(a) deviated (b) dispersed (c) focused (d) refracted

Open in App Solution

Explanation : Focusing is done by lens

Suggest Corrections 1

SIMILAR QUESTIONS

Q.

When a white light ray falls on a prism, the ray at its first surface suffers :

(a) no refraction (b) only dispersion (c) only deviation

(d) both deviation and dispersion.

Q. Which colour will be refracted the most when white light is dispersed from a prism?Q.

Dispersion of white light occurs because different colours of white light undergo different extents of refraction. The dispersion is not evident in a glass slab like it is evident in a prism because the two refracting surfaces are parallel to each other.

Q.

After being dispersed form a prism, a white light splits into seven colours. Which colour will be refracted the most?

Q. What is dispersion of white light? What is the cause of such dispersion? Draw a diagram to show the dispersion of white light by a glass prism.

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## A beam of white light falling on a glass prism gets split up into seven colours marked 1 to 7 as shown in the diagram. A student makes the following statements about the spectrum observed on the screen.(a) The colours at positions marked 3 and 5 are similar to the colour of the sky and the colour of gold metal respectively. Is the above statement made by the student correct or incorrect? Justify. (b) Which two positions correspond closely to the colour of (i) brinjal, (i) 'danger' or stop signal lights?

Click here👆to get an answer to your question ✍️ A beam of white light falling on a glass prism gets split up into seven colours marked 1 to 7 as shown in the diagram. A student makes the following statements about the spectrum observed on the screen.(a) The colours at positions marked 3 and 5 are similar to the colour of the sky and the colour of gold metal respectively. Is the above statement made by the student correct or incorrect? Justify. (b) Which two positions correspond closely to the colour of (i) brinjal, (i) 'danger' or stop signal lights?

A beam of white light falling on a glass prism gets split up into seven colours marked 1 to 7 as shown in the diagram.

Question

A student makes the following statements about the spectrum observed on the screen.

(a) The colours at positions marked 3 and 5 are similar to the colour of the sky and the colour of gold metal respectively.

Is the above statement made by the student correct or incorrect? Justify.

(b) Which two positions correspond closely to the colour of (i) brinjal, (i) 'danger' or stop signal lights?

Medium Open in App

Updated on : 2022-09-05

(a) The statement made by the student is incorrect. Positions marked 3 (yellow) and 5 (blue) are similar to the colour of gold metal and the colour of the sky respectively. The student is stating the nature of colours in reverse order.

Solution Verified by Toppr

(b) (i) The position marked 7 corresponds closely to the colour of a brinjal.

(ii) The position marked 1 (red) corresponds closely to the colour of ‘danger’ or stop signal lights.

122 18

स्रोत : www.toppr.com

## A Beam of White Light is Shone onto a Glass Prism. the Light Cannot Be: (A) Deviated (B) Dispersed (C) Focused (D) Refracted

A Beam of White Light is Shone onto a Glass Prism. the Light Cannot Be: (A) Deviated (B) Dispersed (C) Focused (D) Refracted

A beam of white light is shone onto a glass prism. The light cannot be:

### SOLUTION

focussed

A beam of white light when shone on to a glass prism can be deviated, dispersed or refracted, but it cannot be focussed.

Concept: Dispersion of Light Through Prism and Formation of Spectrum

Is there an error in this question or solution?

Chapter 6: The Human Eyes And The Colorful World - Exercise 4 [Page 289]

Q 28 Q 27.5 Q 29

### APPEARS IN

Lakhmir Singh Class 10 Physics (Science)

Chapter 6 The Human Eyes And The Colorful World

Exercise 4 | Q 28 | Page 289

स्रोत : www.shaalaa.com

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Mohammed 13 day ago

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