मराठी

If a Ray of Light Goes from a Rarer Medium to a Denser Medium, Will It Bend Towards the Normal Or Away from It? - Science

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प्रश्न

If a ray of light goes from a rarer medium to a denser medium, will it bend towards the normal or away from it?

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उत्तर

If a ray of light goes from a rarer medium to a denser medium, it will bend towards the normal.

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पाठ 5: Refraction of Light - Exercise 1 [पृष्ठ २१९]

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लखमीर सिंह Physics (Science) [English] Class 10
पाठ 5 Refraction of Light
Exercise 1 | Q 1 | पृष्ठ २१९
लखमीर सिंह Physics (Science) [English] Class 10
पाठ 5 Refraction of Light
Exercise 1 | Q 1 | पृष्ठ २१९

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संबंधित प्रश्‍न

A wall reflects light and a mirror also reflects light. What difference is three in the way they reflect light? 


State two effects caused by the refraction of light.


When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?


 A coin in a glass tumbler appears to rise as the glass tumbler is slowly filled with water. Name the phenomenon responsible for this effect.


Light travelling from a denser medium to a rarer medium along a normal to the boundary:

(a) is refracted towards the normal
(b) is refracted away from the normal
(c) goes along the boundary
(d) is not refracted


The depth of a pond when seen from above appears to be less.


Light travels at a lower speed in water than in air.


When a ray of light travels from air to glass, it bends .......... the normal.


What is the cause of refraction of light when it passes from one medium to another?


A ray of light A incident from air suffers partial reflection and refraction at the boundary of water. 

  1. Complete the diagram showing (i) the reflected ray B and (ii) the refracted ray C.
  2. How are the angles of incidence i and refraction r related?

List four characteristics of the image formed by a concave lens of focal length 20 cm when the object is placed at a distance of 40 cm from its optical centre. 


The laws of reflection hold true for ______.


Why does a ray of light bend when it travels from one medium to another?


Assertion and reasoning type

  1. Assertion: If the refractive index of the medium is high (denser medium) the velocity of the light in that medium will be small
  2. Reason: Refractive index of the medium is inversely proportional to the velocity of the light

The deviation of light ray from its path when it travels from one transparent medium to another transparent medium is called ______.


In the above diagram light is travelling through different media. It is noted by a scientist that ∠1= ∠3 = ∠4 but ∠2 < ∠1. Which of the following statement would be correct?


How does the light travel?


Light bends as it passes from one medium to another. What is this phenomenon called?


A star appears twinkling into the sky because of the reflection of light by the atmosphere.


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