waves

Related Questions

• If two waves having amplitudes $2A$ and $A$ and same frequency and velocity, propagate in the same direction in the same phase, the resulting amplitude will be

  ---

• The sound carried by air from a sitar to a listener is a wave of the following type

  ---

• It takes 2.0 seconds for a sound wave to travel between two fixed points when the day temperature is ${{10}^{o}}$C. If the temperature rise to ${{30}^{o}}$C the sound wave travels between the same fixed parts in

  ---

• When a tuning fork of frequency 341 is sounded with another tuning fork, six beats per second are heard. When the second tuning fork is loaded with wax and sounded with the first tuning fork, the number of beats is two per second. The natural frequency of the second tuning fork is

  ---

• A man is standing between two parallel cliffs and fires a gun. If he hears first and second echoes after 1.5 s and 3.5s respectively, the distance between the cliffs is (Velocity of sound in air = 340 m/s)

  ---