Physics: Wave Optics MCQs

The total length of a sonometer wire between fixed ends is 110 cm. Two bridges are placed to divide the length of wire in ratio 6 : 3 : 2. The tension in the wire is 400 N and the mass per unit length is 0.01 kg/m. What is the minimum common frequency with which three parts can vibrate?

When temperature increases, the frequency of a tuning fork

In a transverse wave the distance between a crest and neighbouring trough at the same instant is 4.0 cm and the distance between a crest and trough at the same place is 1.0 cm. The next crest appears at the same place after a time interval of 0.4s. The maximum speed of the vibrating particles in the medium is :

A transverse wave is represented by

y = 10/π sin (2π/T *t – 2π/λ * x)

For what value of the wavelength the wave velocity is
twice the maximum particle velocity?

A traveling harmonic wave is represented by the equation y(x, t)=10^–3 sin(50t+2x), where x and y are in meter and t is in seconds. Which of the following is a correct statement about the wave?