Diffraction -Multiple Choice Questions Quiz

Interactive MCQs on “Diffraction”:

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: Question: What is diffraction?

(a) The bending of light as it passes through a medium of different refractive index
(b) The spreading of light as it passes through a narrow opening or around obstacles
(c) The reflection of light from a smooth and shiny surface
(d) The absorption of light by a material

Question 2: Question: Which type of waves exhibit diffraction?

(a) Sound waves only
(b) Light waves only
(c) Both sound waves and light waves
(d) Water waves only

Question 3: Question: Which factor affects the amount of diffraction observed?

(a) The intensity of the light source
(b) The color of the light
(c) The size of the obstacles or openings relative to the wavelength of the waves
(d) The speed of the waves

Question 4: Question: Diffraction is more pronounced when light passes through a:

(a) Wide slit
(b) Small slit
(c) Blue filter
(d) Dense medium

Question 5: Question: Which phenomenon is responsible for the appearance of bright and dark fringes in a double-slit diffraction experiment?

(a) Polarization
(b) Dispersion
(c) Interference
(d) Absorption

Question 6: Question: The diffraction pattern for a single slit is characterized by:

(a) A single bright central maximum and no other minima
(b) Multiple bright fringes and equally spaced dark fringes
(c) A single bright fringe and alternating dark and bright fringes
(d) A series of bright fringes of decreasing intensity

Question 7: Question: The phenomenon of diffraction is a result of:

(a) Refraction of light
(b) Reflection of light
(c) The wave nature of light
(d) The particle nature of light

Question 8: Question: The diffraction grating is an optical device that:

(a) Reflects light at a specific angle
(b) Refracts light through a prism
(c) Separates light into its constituent colors
(d) Absorbs specific wavelengths of light

Question 9: Question: Which of the following phenomena is related to diffraction?

(a) The appearance of rainbows
(b) The formation of shadows
(c) The bending of light in a glass prism
(d) The polarization of light

Question 10: Question: Which of the following best describes the relationship between the width of a slit and the diffraction pattern?

(a) Wider slit results in more pronounced diffraction.
(b) Wider slit results in less pronounced diffraction.
(c) The width of the slit has no effect on the diffraction pattern.
(d) Diffraction occurs only with extremely narrow slits.