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प्रश्न
An extended object in the form of an arrow pointing upward has been placed in front of a plane mirror. Draw a labelled ray-diagram to show the formation of its image.
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उत्तर
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संबंधित प्रश्न
Fill in the following blank with a suitable word:
When light is reflected, the angles of incidence and reflection are ............ .
Which type of reflection of light leads to the formation of images?
The boy walks towards the mirror at a speed of 1 m/s. At what speed does his image approach him?
If a ray of light goes form a denser medium to a rarer medium, will it bend towards the normal or away from the normal?
A ray of light travelling in glass emerges into air. State whether it will bend towards the normal or away from the normal.
State two effects caused by the refraction of light.
As light rays pass from water into glass, are they refracted towards the normal or away from the normal?
Why does a ray of light bend when it travels from one medium to another?
Fill in the following blank with suitable word:
Light travelling along a normal is ...............refracted.
Name the phenomenon due to which a pencil partly immersed in water and held obliquely appears to be bent at the water surface.
Water is optically denser than glass.
What is the cause of refraction of light when it passes from one medium to another?
The phenomenon of change in the direction of light when it passes from one transparent medium to another is called ___________.
Explain how the formation of a rainbow occurs.
Lights of different colours are used as signal for safety transport. From these, the wavelength of red light is _______ nm.
Write scientific reason.
The bottom of a pond appears raised.
A star appears twinkling into the sky because of the reflection of light by the atmosphere.
How do twinkling stars occur? (or) what is the cause of the twinkling of stars?
The bottom of swimming pool appears to be less deep than the actual one because of
