Waves -Multiple Choice Questions Quiz

Interactive MCQs on “Waves”:

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 the formula for wave speed?

(A) v = λ / f
(B) v = f × λ
(C) v = f / λ
(D) v = λ² × f

Question 2:A wave has a frequency of 50 Hz and a wavelength of 2 m. What is its speed?

(A) 25 m/s
(B) 50 m/s
(C) 100 m/s
(D) 200 m/s

Question 3: The time period of a wave is 0.02 s. What is its frequency?

(A) 20 Hz
(B) 25 Hz
(C) 40 Hz
(D) 50 Hz

Question 4:A sound wave has a frequency of 500 Hz and travels at 340 m/s. What is its wavelength?

(A) 0.68 m
(B) 1.5 m
(C) 2.0 m
(D) 0.45 m

Question 5:What happens to the wavelength of a wave when its frequency increases while the speed remains constant?

(A) It increases
(B) It remains the same
(C) It becomes infinite
(D) It decreases

Question 6:A water wave has a speed of 2 m/s and a wavelength of 4 m. What is its frequency?

(A) 0.25 Hz
(B) 0.5 Hz
(C) 1 Hz
(D) 2 Hz

Question 7:If the amplitude of a wave is doubled, what happens to its energy?

(A) It remains the same
(B) It doubles
(C) It increases four times
(D) It halves

Question 8:A wave travels with a speed of 1500 m/s and has a frequency of 300 Hz. What is its wavelength?

(A) 3 m
(B) 4 m
(C) 2 m
(D) 5 m

Question 9:Which type of wave requires a medium to travel?

(A) Sound waves
(B) Light waves
(C) Radio waves
(D) X-rays

Question 10:A wave completes 20 cycles in 4 seconds. What is its frequency?

(A) 4 Hz
(B) 5 Hz
(C) 10 Hz
(D) 20 Hz