Question Text
Question 2 :
Which of the following is the main reason of Opacity of light waves.<br/>
Question 3 :
Angle which the normal ray makes with the mirror is equal to:
Question 4 :
When the distance between the object and the plane mirror increases.
Question 5 :
<span>The angle between the incident ray and the reflecting surface is known as:</span>
Question 6 :
<span>In case of a virtual and erect image, the magnification created by the mirror is</span>
Question 8 :
The angle of incidence in a plane mirror is _________ angle of reflection.
Question 10 :
The angle between reflected ray and the _______ is called angle of reflection
Question 11 :
What is the nature of image formed in a Convex mirror ?
Question 12 :
If the magnification of a body of size 1 m is 2, what is the size of the image?
Question 13 :
If the incident ray strikes the pole of a spherical mirror at an angle $45^{\circ}$ with principal axis, then what would be the angle of reflected ray with principal axis?
Question 15 :
The distance between the pole and centre of curvature of a spherical mirror is called _________ .
Question 16 :
The focal length of a concave mirror is f and the distance from the object to the principal focus is p. The ratio of the size of the real image to the size of the object is:<br/>
Question 17 :
An object is placed on the principal axis of a concave mirror at a distance of 60 cm. If the focal length of the concave mirror is 40 cm then determine the magnification of the obtained image.
Question 18 :
Take a plane mirror and place it on a sheet of paper. Take a laser, point the light towards the mirror and try changing the angle of incident light and observe the reflected light.<br>What do you see?
