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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:
- Angle of incidence
- Thickness of glass slab
संबंधित प्रश्न
Write the word AMBULANCE as it would appear when reflected in a plane mirror. Why is it sometimes written in this way (as its mirror image) on the front of an ambulance?
With the help of a labelled ray-diagram, describe how a plane mirror forms an image of a point source of light placed in front of it. State the characteristics of the image formed in a plane mirror.
The image in a plane mirror is virtual and laterally inverted. What does this statement mean?
The image formed by a plane mirror is :
(a) virtual, behind the mirror and enlarged.
(b) virtual, behind the mirror and of the same size as the object.
(c) real, at the surface of the mirror and enlarged.
(d) real, behind the mirror and of the same size as the object.
State whether the following statement is true or false:
Refraction occurs because light slows down in denser materials.
Fill in the following blank with suitable word:
Light travelling along a normal is ...............refracted.
Show the lateral displacement of the ray on the diagram.
When a ray of light travels from air to glass, it bends .......... the normal.
What is refractive index?
The ratio of the sine of the angle of incidence to the sine of ______ is constant.
