Advertisements
Advertisements
Question
Advertisements
Solution
Two observations that prove that light travels in a straight line are:-
(a). Sunlight coming through a hole in a dark room, we can easily see that light travels in a straight line
(b). The light coming from laser light, used for presentation, can also be seen to travel in a straight line.
APPEARS IN
RELATED QUESTIONS
State three ways in which the image formed in a plane mirror differs from the image formed in a pin hole camera.
Write down four characteristics of image formed in a plane mirror.
Copy the figure. By taking two rays from point A, show the formation of image. State four characteristics of the image.
Show an incident ray AO and the normal ON a plan mirror. draw the reflected ray and then find the angle between the incident and reflected rays.
Light that hits a mirror gets ______.
______ through which light cannot pass.
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?
Match the following:
| 1. | Rubber | a. | Erect |
| 2. | Greased paper | b. | Inverted |
| 3. | Real image | c. | Opaque medium |
| 4. | Virtual image | d. | Translucent medium |
