Light Sources -Multiple Choice Questions Quiz

Interactive MCQs on “Light Sources”:

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: Which of the following is a natural light source?

(a) Candle flame
(b) Incandescent bulb
(c) LED (Light-Emitting Diode)
(d) Sun

Question 2: Which type of light source uses a heated filament to produce light?

(a) Candle flame
(b) Incandescent bulb
(c) Fluorescent tube
(d) Laser

Question 3: What type of light source is commonly used in digital displays, indicators, and electronic devices?

(a) Candle flame
(b) Incandescent bulb
(c) LED (Light-Emitting Diode)
(d) Fluorescent tube

Question 4: Which light source relies on the excitation of gas atoms to emit light?

(a) Candle flame
(b) Incandescent bulb
(c) LED (Light-Emitting Diode)
(d) Fluorescent tube

Question 5: What is the primary advantage of using compact fluorescent lamps (CFLs) over traditional incandescent bulbs?

(a) CFLs are cheaper to produce
(b) CFLs have a longer lifespan
(c) CFLs emit a warmer light
(d) CFLs are more energy-efficient

Question 6: Which light source produces coherent and monochromatic light through stimulated emission of photons?

(a) Candle flame
(b) Incandescent bulb
(c) LED (Light-Emitting Diode)
(d) Laser

Question 7: What type of light source is commonly used in streetlights, offices, and schools due to its energy efficiency and long lifespan?

(a) Candle flame
(b) Incandescent bulb
(c) LED (Light-Emitting Diode)
(d) Fluorescent tube

Question 8: Which light source produces light through a chemical reaction that emits energy in the form of visible light?

(a) Candle flame
(b) Incandescent bulb
(c) LED (Light-Emitting Diode)
(d) Chemiluminescent light stick

Question 9: Which light source is commonly used in photography due to its intense and directional beam?

(a) Candle flame
(b) Incandescent bulb
(c) LED (Light-Emitting Diode)
(d) Flashlight

Question 10: What type of light source is known for its warm and cozy ambiance, often used for decorative purposes?

(a) Candle flame
(b) Incandescent bulb
(c) LED (Light-Emitting Diode)
(d) Fluorescent tube