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प्रश्न
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उत्तर
Two observations that prove that light travels in a straight line are:-
(a). Sunlight coming through a hole in a dark room, we can easily see that light travels in a straight line
(b). The light coming from laser light, used for presentation, can also be seen to travel in a straight line.
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संबंधित प्रश्न
Fill in the blank
A plane mirror _________ reflects 100 percent light falling on it.
Select the correct alternative
A man standing in front of a plane mirror finds his image to be at a distance of 6 meter from himself. The distance of man from the mirror is
You are standing at a distance of 2 meters from a plane mirror.
What is the distance of your image from the mirror?
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
Explain the following term:
Angle of incidence. Draw diagram/diagrams to show them.
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 .
What type of mirror is used to obtain a real image-of an object?
Draw a neat two ray diagram to illustrate how a concave mirror is used as a shaving mirror.
State whether the following statement is true or false. If false, correct it.
The angle of incidence is the angle made by the incident ray with the plane mirror.
Find the odd one.
glass bottle, exam pad, paper plate, wooden board
