Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will be ______.
Select the correct alternative
The property due to which a light ray striking a surface is returned back into the same medium is called
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
Draw a neat two ray diagram to illustrate how a concave mirror is used as a shaving mirror.
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.
Find the odd one.
glass bottle, exam pad, paper plate, wooden board
Figure shows a ray of light as it travels from medium A to medium B. Refractive index of the medium B relative to medium A is

You can see a rainbow only when your back is towards the sun.
Match the following:
| 1. | Rubber | a. | Erect |
| 2. | Greased paper | b. | Inverted |
| 3. | Real image | c. | Opaque medium |
| 4. | Virtual image | d. | Translucent medium |
