Which of the following waves are longitudinal waves?
...Which of the following waves are longitudinal waves?
I. Ripples on the surface of water
II. Waves produced by a tuning fork vibrating in air
III. Light waves
IV. Waves produced by a flute
I and II only
I and III only
II and III only
II and IV only
III and IV only
Correct answer is D
No explanation has been provided for this answer.
Which of the following actions will not increase the sensitivity of a moving coil galvanometer? ...
Which of the following is NOT a component of a slide projector? ...
Which of the following statements is correct about the angle of dip at various points on Earth? ...
Which of the following statements about friction is NOT correct? ...