Frequency And Wavelength -Multiple Choice Questions Quiz

Interactive MCQs on “Frequency and 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 frequency in the context of waves?

(a) The speed of the wave
(b) The distance between two successive wave crests
(c) The number of wave oscillations per unit time
(d) The energy carried by the wave

Question 2: What is the relationship between frequency (f) and wavelength (λ) of a wave?

(a) f = λ
(b) f = 1/λ
(c) f = λ^2
(d) f = 1/λ^2

Question 3: A wave with a frequency of 200 Hz has a wavelength of 2 meters. What is the speed of the wave?

(a) 400 m/s
(b) 100 m/s
(c) 200 m/s
(d) 50 m/s

Question 4: Which type of waves are used for communication in radios, televisions, and mobile phones?

(a) Microwaves
(b) Ultraviolet waves
(c) Infrared waves
(d) X-rays

Question 5: Which color of visible light has the shortest wavelength?

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

Question 6: What is the unit of measurement for wavelength?

(a) Meters (m)
(b) Hertz (Hz)
(c) Newtons (N)
(d) Watts (W)

Question 7: If the frequency of a wave is doubled while its speed remains constant, how does the wavelength change?

(a) It is halved
(b) It doubles
(c) It remains the same
(d) It becomes four times longer

Question 8: What type of waves have the highest frequency in the electromagnetic spectrum?

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

Question 9: Which of the following waves has the longest wavelength?

(a) Sound waves
(b) Radio waves
(c) Ultraviolet waves
(d) Infrared waves

Question 10: How does the speed of light in a vacuum compare to its speed in other transparent media, such as water or glass?

(a) The speed of light is faster in a vacuum than in other media.
(b) The speed of light is slower in a vacuum than in other media.
(c) The speed of light is the same in all media.
(d) The speed of light is zero in a vacuum.