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NCAT - Practice Test - Physics - Waves Quiz

Attempt 10 MCQs on NCAT - Practice Test - Physics - Waves | Quiz 5

41. What is the formula for nth harmonic frequency of a string fixed at both ends?



42. What is the wavelength of the nth harmonic?



43. How many antinodes does the fundamental mode of a stretched string have?



44. Number of antinodes in the second harmonic of a stretched string?



45. Does a stationary wave transfer energy?



46. What determines the speed of a wave in a medium?



47. Which wave property does NOT change when a wave enters a new medium?



48. What changes when a wave enters a different medium?



49. Find wave speed if wavelength = 2 m and frequency = 50 Hz.



50. A wave has frequency 20 Hz. What is its period?



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