Wavelength -Multiple Choice Questions Quiz

Interactive MCQs on “Wavelength”:

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 wavelength?

(a) The distance between the highest and lowest points of a wave
(b) The time it takes for one complete wave cycle to pass a point
(c) The distance between two consecutive crests or troughs of a wave
(d) The energy carried by a wave

Question 2: Which unit is commonly used to measure wavelength?

(a) Meters (m)
(b) Hertz (Hz)
(c) Watts (W)
(d) Joules (J)

Question 3: The longer the wavelength of a wave, the _____ its frequency.

(a) Higher
(b) Lower
(c) Same as
(d) Independent of

Question 4: Which color of visible light has the shortest wavelength?

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

Question 5: What happens to the wavelength of sound waves as the frequency increases?

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

Question 6: Which type of waves have the longest wavelength in the electromagnetic spectrum?

(a) Infrared waves
(b) Radio waves
(c) Gamma rays
(d) X-rays

Question 7: What is the relationship between the speed of a wave, its frequency, and its wavelength?

(a) Speed = Frequency × Wavelength
(b) Speed = Frequency ÷ Wavelength
(c) Speed = Wavelength × Frequency
(d) Speed = Wavelength ÷ Frequency

Question 8: Which phenomenon occurs when a wave encounters an obstacle or passes through an opening, causing it to spread out and bend around the edges?

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

Question 9: In a vacuum, electromagnetic waves, such as light, travel at a constant speed. What is this speed commonly known as?

(a) Speed of light
(b) Speed of sound
(c) Speed of radio waves
(d) Speed of gamma rays

Question 10: What does the term 'wavelength of a wave packet' refer to?

(a) The physical size of the wave packet
(b) The number of cycles in the wave packet
(c) The time it takes for the wave packet to travel a certain distance
(d) The distance between the leading and trailing edges of the wave packet