General Science
8th Class
Chapter 9
Reflection and Refraction of Light
Questions
1. Encircle the correct option.
(i) Through which of the following the light travels the fastest?
a. Air b. Vacuum c. Water d. Prism
(ii) What is the colour of an object that absorbs all the light that hits it?
a. Black b. Green c. White d. Red
(iii) Which of the following type of mirror can from an image larger than the object?
a. Concave b. Convex c. Plane d. All of these
(iv) Which of the following is true for an image in a plane mirror?
a. It is formed when light is blocked by an opaque object
b. It is formed when light passes through a transparent object
c. It is of the same shape, size and colour as the object
d. It is always black
(v) What happens when light hits a shiny or smooth surface?
a. It is disappeared b. It is refracted
c. It is absorbed d. It is reflected
(vi) How is the angle of incidence related to the angle of reflection?
a. It is greater b. It is smaller
c. It is same d. none of these
(vii) Which of the following describes the image of the boy formed by the plane mirror?
a. It will be upside down
b. It will be in front of the mirror
c. It will be larger than the boy
d. It will be horizontally reversed left to right
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