मराठी

A Beam of White Light Falls on a Glass Prism. the Colour of Light Which Undergoes the Least Bending on Passing Through the Glass Prism Is: (A) Violet (B) Red (C) Green (D) Blue - Science

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प्रश्न

A beam of white light falls on a glass prism. The colour of light which undergoes the least bending on passing through the glass prism is:
(a) violet
(b) red
(c) green
(d) blue

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उत्तर

 red

The colour red undergoes the least bending on passing through the glass prism as it has longest wavelength.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: The Human Eyes And The Colorful World - Exercise 4 [पृष्ठ २८९]

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लखमीर सिंह Physics (Science) [English] Class 10
पाठ 6 The Human Eyes And The Colorful World
Exercise 4 | Q 29 | पृष्ठ २८९

संबंधित प्रश्‍न

Which is refracted most by a prism : red light or violet light? Explain why?


What are the seven colours seen in a rainbow?


The coloured light having the maximum speed in glass prism is:
(a) blue
(b) green
(c) violet
(d) yellow


Which is optically denser: water or air? Give reason


What conclusion do you draw about the nature of white light in part (b)?


Complete the ray diagram given below to show the nature of light produced on the screen.


While performing the experiment to trace the path of a ray of light passing through a glass prism, four students marked the incident ray and the emergent ray in their diagrams in the manner shown below. 

(A) I

(B) II

(C) III

(D) IV


In an experiment to trace the path of a ray of light through a glass prism for different values of angle of incidence a student would find that the emergent ray: 

(A) is parallel to the incident ray

(B) perpendicular to the incident ray

(C) is parallel to the refracted ray

(D) bends at an angle to the direction of incident ray


When we place a glass prism in the path of a narrow beam of white light a spectrum is obtained. What happens when a second identical prism is placed in an inverted position with respect to the first prism? Draw a labelled ray diagram to illustrate it.

 

The phenomenon of splitting of light into its component colours is ___________ .


A student has to trace the path of a ray of light through a glass prism. List four precautions he should observe for better results.


Write the range of wavelength of the visible spectrum.


Match the Columns:

Column ‘A’ Column ‘B’
The wavelength of red light (a) 600 nm
(b) 700 nm
(c) 500 nm

The process of separation of light into its component colours while passing through a medium is called _______.


The splitting of white light in to seven colors is called ______.


Say TRUE or FALSE

After passing through a prism, white light splits into a band of seven colours


What is Newton’s disc?


Assertion: We can see the rainbow in the sky when the rain starts falling after a spell of bright sunlight.
Reason: The rainbow is formed due to the dispersion of light.


______ colour is deviated the least in the spectrum of white light obtained with a glass prism.


The dispersive powers of flint glass and crown glass are 0.053 and 0.034, respectively and their mean refractive indices are 1.68 and 1.53 for white light. Calculate the angle of the flint glass prism required to form an achromatic combination with a crown glass prism of refracting angle 4°:


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