Question 1: Define a transverse wave and give one example from everyday life.

Answer: A wave in which the particle displacement is perpendicular to the direction of wave propagation; an example is waves on a string or water waves.

Question 2: Explain how particles oscillate differently in longitudinal waves compared to transverse waves.

Answer: In longitudinal waves, particles oscillate parallel to the direction of wave travel, creating compressions and rarefactions; in transverse waves, particles oscillate perpendicular to the wave's direction.

Question 3: What is the primary difference between transverse and longitudinal waves in terms of particle motion?

Answer: In transverse waves, particles move perpendicular to wave direction; in longitudinal waves, particles move parallel.

Question 1: A wave in a string has a frequency of 50 Hz and a wavelength of 2 meters. Calculate its speed in meters per second.

Answer: v = 100 m/s

Question 2: If a wave travels at 300 m/s and its frequency is 150 Hz, what is its wavelength?

Answer: λ = 2 meters

Question 1: Describe a safe method to demonstrate wave motion in a classroom setting using a rope or spring. Include key safety precautions.

Answer: Use a sturdy rope or spring securely anchored, and ensure students keep a safe distance. Use consistent oscillations to observe wave patterns, avoiding excessive force to prevent injury or equipment damage.

Question 1: A longitudinal wave propagates through sulfur with a speed of 600 m/s. If the frequency of the wave is 300 Hz, what is its wavelength? Interpret what this means in terms of wave behavior.

Answer: λ = 2 meters; this indicates the wave's particles oscillate in the same direction as the wave travels, with a wavelength of 2 meters.

Question 1: Explain how understanding wave properties is crucial in the design of ultrasound medical imaging devices.

Answer: Ultrasound devices use high-frequency longitudinal waves to penetrate tissues. Knowledge of wave speed, wavelength, and reflection enables accurate imaging. Proper wave frequency ensures safety and image resolution, making wave physics essential in medical diagnostics.

Question 2: Multiple Choice: Which of the following best describes a transverse wave?

Answer: Particles oscillate perpendicular to the wave direction

Question 3: Fill in the blank: In a wave, the distance between two consecutive compressions or rarefactions in a longitudinal wave is called the __________.

Answer: wavelength