Waves -Multiple Choice Questions Quiz

Interactive MCQs on โ€œWavesโ€:

Solve the following 10 questions. Only one option is correct. Click on the โ€œSubmitโ€ button when done. Click on the โ€œembedโ€ button to use this quiz on your website. Click on โ€œWhatsAppโ€ to share this quiz.

Question 1:What is the formula for wave speed?

(A) v = ฮป / f
(B) v = f ร— ฮป
(C) v = f / ฮป
(D) v = ฮปยฒ ร— 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