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State Two Factors on Which the Lateral Displacement of the Emergent Ray Depends. - Science

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प्रश्न

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

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उत्तर

Two factors on which the lateral displacement of the emergent ray depends:
1. Angle of incidence
2. Thickness of glass slab

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Refraction of Light - Exercise 1 [पृष्ठ २२०]

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लखमीर सिंह Physics (Science) [English] Class 10
पाठ 5 Refraction of Light
Exercise 1 | Q 30.3 | पृष्ठ २२०

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

State whether the following statement is true of false:
A student says that we can see an object because light from our eyes is reflected back by the object.


The image of an object formed by a plane mirror is:

(a) virtual
(b) real
(c) diminished
(d) upside-down


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 ______.


Which phenomenon of light makes the water to appear shallower than it really is?


A ray of light travelling in air is incident on a rectangular glass block and emerges out into the air from the opposite face. Draw a labelled ray diagram to show the completer path of this ray of light. Mark the two points where the refraction of light takes place. What can you say about the final direction of ray of light?


Explain with the help of a labelled ray diagram, why a pencil partly immersed in water appears to be bent at the water surface. State whether the bending of pencil will increase or decrease if water is replaced by another liquid which is optically more dense than water. Give reason for your answer.


The speed of light is more in glass than in water.


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


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


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?

The phenomenon of change in the direction of light when it passes from one transparent medium to another is called ___________.


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  

What is refractive index?


A pencil when dipped in water in a glass tumbler appears to be bent at the interface of air and water. Will the pencil appear to be bent to the same extent, if instead of water we use liquids like, kerosene or turpentine. Support your answer with reason.


Which object use the reflection of light?


Mirage is an example of refraction and the total internal reflection of light.


Match the following:

  Column I   Column II
1. r > 90 a. Light gazes at the surface of separation between the two modes.
2. r = 90 b. No refraction.
3. r < 90 c. Refracted ray away from the normal

In refraction of light through a glass slab, the directions of the incident ray and the refracted ray are ______.


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