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प्रश्न
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
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उत्तर
Incident ray: The light ray striking a reflecting surface is called the incident ray.
संबंधित प्रश्न
A virtual image larger than the object can be produced by a ______.
What type of image is formed:
in a plane mirror?
What is the name of the phenomenon in which the right side of an object appears to be the left side of the image in a plane mirror?
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
Define the term Principle focus.
The distance from the pole to the focus is called ______.
In torches, search lights and headlights of vehicles the bulb is placed ______.
An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be ______.
Size of image of an object by a mirror having a focal length of 20 cm is observed to be reduced to 1/3rd of its size. At what distance the object has been placed from the mirror? What is the nature of the image and the mirror?
