मराठी

Make the Correct Choices for Each of the Following : Total Internal Reflection Takes Place When

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प्रश्न

Make the correct choices for each of the following : 

Total Internal reflection takes place when 

(where ∠i = angle of incidence,  ∠r = angle of refraction, ∠C = critical angle)

पर्याय

  • Light is going from glass to air and  ∠I < ∠C

  • Light is going from air to glss and ∠i < ∠C

  • Light is going from glass to air and  ∠i > ∠C

  • Light is going from air to glss and ∠i > ∠C

  • Light is going from glass to air and  ∠i = ∠r

MCQ
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उत्तर

Light is going from glass to air and  ∠i > ∠C

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Light - Exercise 4 [पृष्ठ ११५]

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फ्रँक Physics Part 2 [English] Class 10 ICSE
पाठ 2 Light
Exercise 4 | Q 2.2 | पृष्ठ ११५

संबंधित प्रश्‍न

A light ray does not bend at the boundary in passing from one medium to the other medium if the angle of incident is ______.


Calculate the speed of light in a medium whose critical angle is 30° ?


State two factors which affect the critical angle for a given pair of media.

A ray of light incident at an angle of incidence ‘i’ passes through an equilateral glass prism such that the refracted ray inside the prism is parallel to its base and emerges from the prism at an angle of emergence ‘e’.

What can you say about the value of the angle of deviation in such a situation?


Complete the following diagram to show the path of the ray of a single colour in the diagram as if enters in and emerges out of the prism. Mark the angles wherever necessary. (Critical angle for glass = 42°).


Explain ‘mirage’ as an illustration of refraction.


Observe the given figure and write appropriate phenomenon of light in the box.


The angle of minimum deviation produced by a thin glass prism in air is 'δ'. If that prism is immersed in water, the angle of minimum deviation will be ______.

( aμg = refractive index of glass w.r.t, air aμw = refractive index of water w.r.t. air)


A ray of light incident at an angle θ on a refracting face of a prism emerges from the other face normally. If the angle of the prism is 5° and the prism is made of a material of refractive index 1.5, the angle of incidence is ______.


The diagram below shows a fish in the tank and its image seen on the surface of the water.

Name the phenomenon responsible for the formation of this image.


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