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प्रश्न
Reflection occurs , when the light
पर्याय
about to reach a surface
approaches a surface
passes through a surface
None of these
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उत्तर
approaches a surface
APPEARS IN
संबंधित प्रश्न
Fill in the blank
A plane mirror _________ reflects 100 percent light falling on it.
State two advantages and two disadvantages of the reflecting periscope.
How many images will be formed when an object is placed between two parallel plane mirrors with their reflecting surfaces facing each other? Why do more distant images appear fainter?
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?
The angle between an incident ray and the mirror is 350.
(i) What is the angle of incidence?
(ii) What is the angle of reflection?
(iii) What is the total angle turned by the ray of light?
(iv) What is the angle between the incident and the reflected rays?
Define the term Principle axis.
Light that hits a mirror gets ______.
Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the Figure Which of the following could be inside the box?
The angle of incidence is equal to the angle of reflection for perfect reflection.
