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प्रश्न
State the two laws of reflection of light.
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उत्तर
Laws of reflection:
- The incident ray, the reflected ray and the normal ray at the point of incidence, lie in the same plane.
- The angle of incidence i is equal to the angle of reflection r i.e. ∠i = ∠r
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संबंधित प्रश्न
Define the following terms :
Incident ray, Refracted ray, Angle of incidence, Angle of refraction.
A ray of light falls normally on a glass slab. What is the angle of incidence?
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Classify as real or virtual, the image of a candle flame formed on a screen by a convex lens. Draw a ray diagram to illustrate how the image is formed.
We can create enlarged, virtual images with ______.
The image which can be obtained on a screen is called ______.
Calculate the number of images formed by plane mirrors kept at an angle of 10° to each other.
If magnification is +1.5. The image is ______.
An object is placed at a distance of 3cm from a plane mirror. The distance between the object and image is 3cm.
Distinguish between real & virtual images.
