Advertisements
Advertisements
प्रश्न
Say TRUE or FALSE
We see planets because they reflect light from the sun
विकल्प
True
False
Advertisements
उत्तर
We see planets because they reflect light from the sun- True
APPEARS IN
संबंधित प्रश्न
Fill in the blank
We are able to see the objects around us due to _________, reflection.
State which surface of a plane mirror reflects most of the light incident on it: the front smooth surface or the back silvered surface.
State two advantages and two disadvantages of the reflecting periscope.
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?
State whether the following statement is true or false. If false, correct it.
If a ray of light incident on a plane mirror is such that it makes an angle of 30o with the mirror, then the angle of reflection is 60o.
A ray of light is travelling in a direction perpendicular to the boundary of a parallel glass slab. The ray of light ______.
What is Translucent objects? Give an example.
Which of the following can make a parallel beam of light when light from a point source is incident on it?
