Light is a form of energy and it always travels in the straight line that forms a shadow. When light travels from one medium to another medium, it does three things- some of it bounces off, some of it goes through, and the rest of it is absorbed. So in this quiz, we focused on two things first one when light bounces and it is called reflection and another one is light goes through the medium and it is called refraction. So take this interesting quiz and know more about light reflection and refraction.
1. In which mirror, image is always virtual, erect, and at the same distance as to object?
A. Plane mirror
B. Spherical mirror
C. Concave mirror
D. Convex mirror
2. What is the SI unit of power of the lens?
A. Ampere
B. Dioptere
C. Watt
D. Newton
3. How many types of lenses?
A. 4
B. 1
C. 2
D. 3
4. The Centre of curvature is represented by...
A. Coc
B. cc
C. Cooc
D. C
5. How many laws of refraction?
A. 4
B. 5
C. 1
D. 2
6. Which one is the example of a medium?
A. Air
B. Mirror
C. Reflection
D. Refraction
7. What is the power of the concave lens?
A. Positive
B. Negative
C. Constant
D. None of these
8. What is the power of convex lens?
A. Negative
B. Positive
C. Constant
D. All of the above
9. The power of lens is the measure of the degree of....
A. Converging
B. Diverging
C. Convergence or Divergence
D. None of these
10. The principal focus is represented by....
A. F
B. Pf
C. Both of these
D. None of these
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