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Question
Observe the figure given below:
When the torch is lit as shown, which of the following should be the object A to get the patch of light at B?
Observe the figure given below:
When the torch is lit as shown, which of the following should be the object A to get the patch of light at B?
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Solution
The correct option is C A plane mirror
- A wooden board is an opaque object but has no reflective surface, i.e. most of the light will be absorbed by the surface or will be reflected in any direction.
- A glass sheet is a transparent object hence, all the light will pass through it, rather than getting reflected from it.
- White paper is a translucent object, i.e. it allows light to partially pass through it, and the remaining light will be reflected in different directions.
- A mirror is an opaque object and has a reflective surface, hence, it reflects almost all the light that hits it. Therefore, mirror is the correct answer.
- A wooden board is an opaque object but has no reflective surface, i.e. most of the light will be absorbed by the surface or will be reflected in any direction.
- A glass sheet is a transparent object hence, all the light will pass through it, rather than getting reflected from it.
- White paper is a translucent object, i.e. it allows light to partially pass through it, and the remaining light will be reflected in different directions.
- A mirror is an opaque object and has a reflective surface, hence, it reflects almost all the light that hits it. Therefore, mirror is the correct answer.
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