Advertisements
Advertisements
प्रश्न
उत्तर
APPEARS IN
संबंधित प्रश्न
Fill in the blank
We are able to see the objects around us due to _________, reflection.
How is a plane mirror made ?
State two advantages and two disadvantages of the reflecting periscope.
Draw diagrams to show the difference between regular and irregular reflection.
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.
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?
Say TRUE or FALSE
We see planets because they reflect light from the sun
Why does a light ray incident on a rectangular glass slab immersed in any medium emerges parallel to itself? Explain using a diagram.
You can see a rainbow only when your back is towards the sun.
Total internal reflection will occur if the angle of reflection is ______.