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Name the Phenomenon Due to Which a Pencil Partly Immersed in Water and Held Obliquely Appears to Be Bent at the Water Surface. - Science

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प्रश्न

 Name the phenomenon due to which a pencil partly immersed in water and held obliquely appears to be bent at the water surface.

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उत्तर

It is the phenomenon of refraction due to which a pencil partly immersed in water and held obliquely appears to be bent at the water surface.

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अध्याय 5: Refraction of Light - Exercise 1 [पृष्ठ २२०]

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लखमीर सिंग Physics (Science) [English] Class 10
अध्याय 5 Refraction of Light
Exercise 1 | Q 29.2 | पृष्ठ २२०

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

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


 State the uses of plane mirrors.


 Explain why, though both a plane mirror and a sheet of paper reflect light but we can see the image of our face in a plane mirror but not in a sheet of paper.


A man stands 10 m in front of a large plane mirror. How far must the walk before he is 5 m away from his image?


An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the positions of the original and final images seen in the mirror is ______.


A ray of light strikes a plane mirror PQ at an angle of incidence of 30°, is reflected from the plane mirror and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is ______.


Fill in the following blank with suitable word: 

Light travelling along a normal is ...............refracted.


What is meant by 'refraction of light'? Draw a labelled ray diagram to show the refraction of light.


When a light ray passes from air into glass, what happens to its speed? Draw a diagram to show which way the ray of light bends. 


 State two factors on which the lateral displacement of the emergent ray depends. 


When a ray of light travelling in glass enters into water obliquely:

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


A vertical ray of light strikes the horizontal surface of some water: 

What is the angle of refraction? 


Water is optically denser than glass.


A small air bubble in a glass block when seen from above appears to be raised because of ______.


Fill in the blank and Explain the completed sentences.

 The change in ______ of light rays while going from one medium to another is called refraction.


Write scientific reason.

The bottom of a pond appears raised.


Write scientific reason.

The coin disappears in a vessel as it is seen from a specific location. But as soon as the water is poured into the vessel to a certain level, the coin appears.


Observe the given figure and name the following.

Ray AB  
Ray NM  
Ray MD  
∠ r  

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


A water tank appears shallower when it is viewed from the top due to refraction. 


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