Monochromatic Light -Multiple Choice Questions Quiz

Interactive MCQs on “Monochromatic 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 monochromatic light?

(a) Light consisting of a single color or wavelength
(b) Light consisting of multiple colors or wavelengths
(c) Light consisting of both polarized and unpolarized waves
(d) Light consisting of different intensities of color

Question 2: Which term describes the distance between two consecutive peaks or troughs of a monochromatic light wave?

(a) Amplitude
(b) Frequency
(c) Wavelength
(d) Velocity

Question 3: Which of the following light sources emits monochromatic light?

(a) Incandescent bulb
(b) Fluorescent lamp
(c) Laser diode
(d) Halogen lamp

Question 4: What is the relationship between the color of monochromatic light and its wavelength?

(a) Longer wavelength corresponds to blue color, and shorter wavelength corresponds to red color.
(b) Longer wavelength corresponds to red color, and shorter wavelength corresponds to blue color.
(c) Longer wavelength corresponds to green color, and shorter wavelength corresponds to violet color.
(d) Longer wavelength corresponds to violet color, and shorter wavelength corresponds to green color.

Question 5: Which optical phenomenon occurs when monochromatic light passes through a narrow slit and spreads out into a series of bright and dark fringes?

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

Question 6: What is the color of monochromatic light with a wavelength of approximately 550 nanometers?

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

Question 7: Which of the following statements is true about the coherence of monochromatic light?

(a) Monochromatic light is always coherent.
(b) Monochromatic light is always incoherent.
(c) Monochromatic light can be coherent or incoherent, depending on the source.
(d) Monochromatic light is always partially coherent.

Question 8: Which property of monochromatic light remains constant as it passes through a medium of different refractive index?

(a) Amplitude
(b) Wavelength
(c) Velocity
(d) Intensity

Question 9: What happens to the frequency of monochromatic light as it travels through a medium of higher refractive index?

(a) The frequency increases.
(b) The frequency decreases.
(c) The frequency remains constant.
(d) The frequency becomes zero.

Question 10: Which of the following is an example of monochromatic light in everyday life?

(a) Sunlight
(b) Fluorescent light
(c) Rainbow
(d) Laser light