Advertisements
Advertisements
प्रश्न
What do you mean by the term reflection of light ?
Advertisements
उत्तर
Reflection of light— When light strikes a polished surface it comes back in the same medium, is called reflection of light.
APPEARS IN
संबंधित प्रश्न
How is a plane mirror made ?
State which surface of a plane mirror reflects most of the light incident on it: the front smooth surface or the back silvered surface.
Explain the following term:
Reflected ray. Draw diagram/diagrams to show them.
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.
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.
Which of the following ray diagrams is correct for the ray of light incident on a lens shown in figure?
 |
 |
| A | B |
 |
 |
| C | D |
A beam of light is incident through the holes on side A and emerges out of the holes on the other face of the box as shown in the Figure. Which of the following could be inside the box?
We can see objects because of ______.
