NEET Physics: Waves — MCQ Test 18

Q6. A pipe open at both ends has a length of 0.4 m and a speed of sound of 320 m/s. What is the frequency of its fourth harmonic?

Q7. What happens to the speed of a longitudinal wave in a gas if the pressure is increased while temperature remains constant?

Q8. A wave is described by \( y(x, t) = 0.02 \sin (50x - 100t) \), where \( x \) and \( y \) are in meters and \( t \) in seconds. What is the period of the wave?

Q9. A wave on a string has an amplitude of 0.015 m and a frequency of 40 Hz. What is the maximum transverse speed of a particle?

Q10. A transverse wave on a string has a tension of 144 N and a linear mass density of 0.016 kg/m. What is the wavelength if the frequency is 15 Hz?

NEET Physics — Waves

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Two waves \( y_1 = 5 \sin (7x - 14t) \) and \( y_2 = 5 \sin (7x - 14t + \frac{\pi}{2}) \) interfere. What is the amplitude of the resultant wave?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Waves. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Interfere, Amplitude, Resultant, Transverse, Frequency, and Wavelength.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Two waves \( y_1 = 5 \sin (7x - 14t) \) and \( y_2 = 5 \sin (7x - 14t + \frac{\pi}{2}) \) interfere. What is the amplitude of the resultant wave?

  • A. 5 m
  • B. 7 m
  • C. 10 m
  • D. 6 m

Q2. A transverse wave on a string has a speed of 12 m/s and a frequency of 8 Hz. What is its wavelength?

  • A. 1.5 m
  • B. 1 m
  • C. 2 m
  • D. 2.5 m

Q3. Which factor directly governs the formation of nodes and antinodes in a standing wave?

  • A. Boundary conditions
  • B. Wave speed
  • C. Amplitude
  • D. Medium density

Q4. A stationary wave on a string fixed at both ends has a frequency of 120 Hz and a wave speed of 48 m/s. What is the length of the string?

  • A. 0.1 m
  • B. 0.15 m
  • C. 0.25 m
  • D. 0.2 m

Q5. Which factor explains why a transverse wave’s speed is independent of its frequency in a uniform string?

  • A. Amplitude variation
  • B. Wavelength change
  • C. Frequency modulation
  • D. Medium properties

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