Light -Multiple Choice Questions Quiz

Question 1: What is light?

(a) A form of electromagnetic radiation
(b) A type of sound wave
(c) A form of kinetic energy
(d) A form of static electricity

Question 2: In which medium does light travel the fastest?

(a) Air
(b) Water
(c) Glass
(d) Vacuum

Question 3: What phenomenon causes the bending of light as it passes from one medium to another?

(a) Diffraction
(b) Reflection
(c) Refraction
(d) Interference

Question 4: Which of the following colors of light has the shortest wavelength?

(a) Red
(b) Blue
(c) Green
(d) Yellow

Question 5: What type of mirror always forms a virtual and erect image?

(a) Concave mirror
(b) Convex mirror
(c) Plane mirror
(d) Spherical mirror

Question 6: Which of the following materials is NOT transparent to visible light?

(a) Glass
(b) Plastic
(c) Wood
(d) Air

Question 7: When all the colors of visible light are combined, what color of light is produced?

(a) White
(b) Black
(c) Red
(d) Yellow

Question 8: What phenomenon causes the colors seen in a rainbow?

(a) Diffraction
(b) Reflection
(c) Dispersion
(d) Interference

Question 9: What is the angle of incidence when light is incident perpendicular to a surface?

(a) 0 degrees
(b) 45 degrees
(c) 90 degrees
(d) 180 degrees

Question 10: What happens to the speed of light when it passes from a less dense medium to a more dense medium?

(a) It increases
(b) It decreases
(c) It remains the same
(d) It becomes zero

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Results:

Total score: /10

Answer key:

Question 1: a

Question 2: d

Question 3: c

Question 4: b

Question 5: c

Question 6: c

Question 7: a

Question 8: c

Question 9: a

Question 10: b