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प्रश्न
Explain the following term:
Angle of incidence. Draw diagram/diagrams to show them.
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उत्तर
The angle which the incident ray makes with the normal at the point of incidence is called the angle of incidence. It is denoted by the letter “i”.
संबंधित प्रश्न
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
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.
Does the mirror named by you above give real images for all locations of object?
An object OA is placed on the principal axis of a concave mirror as shown in the figure. Copy and complete the diagram to show the formation of image.
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.
Dull materials reflect light.
State whether true or false. If false, correct the statement.
The reason for brilliance of diamonds is total internal reflection of light.
Suppose we wish to obtain the real image of a distant tree. Explain two possible ways in which we can do it.
