A wave has the equation (x in meters and t in seconds) y = 0.02sin(30t - 4x). Find
What is the principle of superposition of waves? Discuss the result of two superposing waves of equal amplitude and same frequency travelling in the opposite direction.
Define progressive wave. Derive a wave equation representing progressive wave.
Do sound waves undergo reflection, refraction, and polarization phenomena? Explain.
Which types of waves propagate in liquid? Why?
Distunguish between sound waves and light waves.
A radio station broadcasts at 800 kHz. If the radio waves (em-waves) travel with a speed of 3x10^8 m/s, what will be the wavelength of the wave?
If you are walking on the moon surface, can you hear the cracking sound behind you? Explain.
Frequency is most fundamental property of wave. Why?
We can't hear echoes in a small room. Why?
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