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प्रश्न
Dull materials reflect light.
पर्याय
True
False
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उत्तर
Dull materials reflect light- False.
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संबंधित प्रश्न
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
State which surface of a plane mirror reflects most of the light incident on it: the front smooth surface or the back silvered surface.
In the figure is shown a concave mirror. A is a point on the principal axis. If an object O is kept at A, image is formed on A itself. Copy the diagram. Draw the image in the diagram. Is the image real or virtual?
Measure the distance PA and write it in the diagram. What is the distance PA called?
Mark a point B on the principal axis, at which, if a point source of light is kept, the rays travel parallel to principal axis after reflection from M. What is point B called?
Define the term Principle axis.
Complete the path of incident ray in the following case.
______Surface reflects the light well.
The light ray gets _______ when it falls on any polished surface.
What is Translucent objects? Give an example.
