## Progressive Waves - MCQ - Basic Level

Physics is an important subject in preparation for various Competitive exams. To keep a track of your preparation we have designed a small quiz of Basic Level Questions on Progressive Waves. You have 10 minutes to solve the quiz, click the start timer button in order to start the timer and then click on submit button at the end to submit the quiz and view your scores and correct answers.

Q1. In a progressive wave, the distance between two consecutive crests is

•  Î»/2
•  Î»
•  3/2 Î»
•  3Î»/2

Q2. The equation of a wave is 3cosÏ€(50t-x). The wavelength of the wave is

•  3 units
•  2 units
•  50 units
•  47 units

Q3. If the wave equation y = 0.08 sin 2Ï€/Î» (200t-x) then the velocity of the wave will be

•  400√2
•  200√2
•  400
•  200

Q4. A wave of frequency 500 Hz has velocity 360 m/sec. The distance between two nearest points 60° out of phase, is

•  0.6 cm
•  12 cm
•  60 cm
•  120 cm

Q5. The equation of a transverse wave is given by y = 10 sinÏ€(0.01x-2t) where x and y are in cm and t is in second. Its frequency is

•  10 sec-1
•  2 sec-1
•  1 sec-1
•  0.001 sec-1

Q6. If the frequency of a wave is 360s-1, the distance between two nearest compression & rarefaction is 1m. Then the velocity of wave is

•  720 m/s
•  120 m/s
•  360 m/s
•  90 m/s

Q7. It takes 2.0 seconds for a sound wave to travel between two fixed points when the day temperature is 10°C. If the temperature rise to 30°C the sound wave travels between the same fixed points in

•  1.9 sec
•  2.0 sec
•  2.1 sec
•  2.2 sec

Q8. The equation of a wave is given as y = 0.07 sin(12Ï€x - 3000Ï€t). Where x is in metre and t in sec, then the correct statement is

•  Î» = 1/6m, Î½ = 250 m/s
•  a = 0.07m, Î½ = 300 m/s
•  n = 1500m, Î½ = 200 m/s
•  None of these

Q9. The equation of the propagating wave is y = 25 sin(20t + 5x) where y is displacement. Which of the following statement is not true

•  The amplitude of the wave is 25 units
•  The wave is propagating in positive x -direction
•  The velocity of the wave is 4 units
•  The maximum velocity of the particles is 500 units

Q10. In a plane progressive wave given by y = 25 cos(2Ï€t - Ï€x), the amplitude and frequency are respectively

•  25,100
•  25,1
•  25,2
•  50Ï€,2

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