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प्रश्न
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उत्तर
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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.
The diagram below in figure shows an object XY in front of a plane mirror MM1 . Draw on the diagram, path of two rays from each point X and Y of the object to show the formation of its image .
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.
Define the term Principle axis.
An object that blocks all of the light from passing through is ______.
You can see a rainbow only when your back is towards the sun.
The angle of incidence is equal to the angle of reflection for perfect reflection.
Play with a mirror
Write your name with a sketch pen on a thin sheet of paper, polythene or glass. Read your name on the sheet while standing in front of a plane mirror. Now look at your image in the mirror.
