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प्रश्न
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उत्तर
Angle of reflection to the normal = angle of incidence to the normal = 20°
So the angle between incident ray and reflected ray = Angle of incidence + Angle of reflection = 20 + 20 = 40°
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संबंधित प्रश्न
Fill in the blank
The image formed by a plane mirror is at a distance behind the mirror as ________
What type of mirror is used to obtain a real image-of an object?
Draw diagrams to show the difference between regular and irregular reflection.
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.
Complete the ray diagram to show the image observed by the eye after reflection in the following figure.
______ through which light can pass completely.
What is Translucent objects? Give an example.
The angle of incidence is equal to the angle of reflection for perfect reflection.
