Interference Of Light -Multiple Choice Questions Quiz

Interactive MCQs on “Interference Of Light”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is interference of light?

(a) The bending of light around obstacles
(b) The reflection of light from a smooth surface
(c) The interaction of two or more light waves to create a pattern of constructive and destructive interference
(d) The dispersion of light into its component colors

Question 2: Which type of interference occurs when the crests of two light waves coincide, resulting in increased brightness?

(a) Destructive interference
(b) Diffraction
(c) Polarization
(d) Constructive interference

Question 3: Which phenomenon explains the bending of light waves around obstacles or edges?

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

Question 4: When does destructive interference of light waves occur?

(a) When the amplitudes of two waves add up
(b) When the waves have the same frequency
(c) When the waves have the same speed
(d) When the troughs of two waves coincide, resulting in reduced brightness

Question 5: What type of interference pattern is observed when two coherent light waves interfere?

(a) Rainbow pattern
(b) Moiré pattern
(c) Fringe pattern
(d) Mirage pattern

Question 6: The phenomenon of 'thin film interference' is observed in which of the following?

(a) Polarized light
(b) Diffraction grating
(c) Transparent thin films
(d) Opaque objects

Question 7: In the context of interference, what is a 'phase difference'?

(a) The difference in brightness between two light waves
(b) The difference in speed between two light waves
(c) The difference in direction of two light waves
(d) The difference in the position of corresponding points on two light waves

Question 8: Which colors are commonly observed in soap bubbles due to thin film interference?

(a) Red and blue
(b) Yellow and green
(c) White and black
(d) All colors of the rainbow

Question 9: What is the condition for constructive interference of light waves?

(a) The waves must have different frequencies
(b) The waves must have different amplitudes
(c) The waves must have a phase difference of 180 degrees
(d) The waves must have a phase difference of 0 degrees (or multiples of 360 degrees)

Question 10: Which optical instrument utilizes interference to produce colorful patterns for measuring small distances, surface irregularities, and thin film thickness?

(a) Telescope
(b) Microscope
(c) Spectrometer
(d) Interferometer