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प्रश्न
How is a plane mirror made ?
उत्तर
To make a plane mirror, a thin piece of glass is taken. One surface of the mirror is made opaque by silvering it. On the top of that, another thin coating of red lead oxide is given which protects the silvering of the mirror.
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संबंधित प्रश्न
Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.
Write true or false of the following statement.
The image formed by a plane mirror can be obtained on a screen.
Explain the differences between regular and irregular reflection light.
Explain the following term:
Reflected ray
Draw diagram/diagrams to show them.
A light ray is incident normally on a plane mirror. (a) What is its angle of incidence?
An object 3 cm high produces a real image 4.5 cm high when placed at a distance of 20 cm from a concave mirror. Calculate:
- the position of image
- focal length of the concave mirror.
Locate the image termed when the object is placed between two planes as shown in the following figure.
Higher Order Thinking Skills.
When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?
