MCQs questions quiz of light class 8 | Class 8 Light | Class 8 Science Mcq | Questions Of Light | Science Mcqs/Quiz|

 MCQ Question Quiz For Class 8 Science (Physics) Chapter - 1 Light 🕯️. CBSE NCERT Special For Exam Ncert class 8 Light in english solutions.Light class 8 Mcq quiz | mcq structure of atom class 8 science | mcq questions quiz of light class 8

Part 1

For Video Solutions

Dispersion is .

 (A)splitting of light into its constituent colours

 (B) formation of many images

 (C) formation of only two images

 (D) a rainbow

Ans A

Q.2 The letter that does not show lateral

inversion-

 (A) Z 

 (B) M 

 (C) O 

 (D) W 

Ans B,C,D

Q.3 In a plane mirror, an object is 0.5 m in front of the mirror. The distance between object and image is -

 (A) 0.5 m 

 (B) 1 m

 (C) 0.25 m 

 (D) 0.75 m 

 

Ans B

Q.4 An object 0.5 m tall is in front of a plane mirror at a distance of 0.2 m. The size of the image formed is-

 (A) 0.2 m 

 (B) 0.5 m

 (C) 0.1 m 

 (D) 1 m 

Ans B

Q.5 A plane mirror is approaching you at

10 cm s–1. Your image shall approach you

with a speed of- .

 (A) + 10 cm s–1 

 (B) – 10 cm s–1

 (C) + 20 cm s–1 

 (D) – 20 cm s–1

Ans B

Q.6 A ray of light is incident on a plane mirror at an angle of incidence of 30°. The deviation produced by the mirror is-

 (A) 30° 

 (B) 60° 

 (C) 90° 

 (D) 120° 

Ans D

Q.7 A plane mirror reflects a pencil of light to form a real image. Then the pencil of light incident on the mirror is-

 (A) parallel 

 (B) convergent

 (C) divergent 

 (D) any of these 

Ans B

Q.8 Which of the following cannot produce a virtual image?

 (A) Plane mirror

 (B) Concave mirror

 (C) Convex lens

 (D) All of the above can produce a virtual

image. 

Ans D

Q.9 How many images of himself does an

observer see if two adjacent walls of

rectangular room are mirror surfaced?

 (A) 3 

 (B) 5

 (C) 7 

 (D) 9 

Ans A

Q.10 The incident ray, reflected ray, and the

normal at the point of incidence lie on the

same

 (A) line 

 (B) point

 (C) circle 

 (D) plane 

Ans D

Q.11 Diffused reflection occurs if a ray of light is reflected by a

 (A) concave mirror 

 (B) plane mirror

 (C) convex mirror 

 (D) rough surface 

Ans D

Q.12 Sources of light are also called

 (A) luminous objects

 (B) non-luminous objects

 (C) mirrors

 (D) reflections 

Ans A

Q.13 When two plane mirrors are kept at 90º, we get .

 (A) only one image

 (B) two images

 (C) three images

 (D) infinite number of images 

Ans C

Q.14 If two plane mirrors are placed parallel to each other and facing each other, then we get

 (A) only one image

 (B) two images

 (C) three images 

 (D) infinite number of images

Ans D

 

Part 2

For Video Solution