Waves and Sound

Wave and Energy Due to the vibration of a body particles of the medium adjacent to the vibrating body oscillate to and fro about the…

Propagation of Wave If a metal container falls from hand sound is produced. Besides, if one end of a table is struck sound is produced.…

The number of degrees of freedom of a dynamical system is defined as the total number of co-ordinates or independent variables required to describe the…

The molecules of a gas are in a state of random motion. They continuously collide against the walls of the container. During each collision, momentum…

Applications of Doppler Effect (i) To measure the speed of an automobile An electromagnetic wave is emitted by a source attached to a police car.…

The whistle of a fast moving train appears to increase in pitch as it approaches a stationary observer and it appears to decrease as the…

The resonance air column apparatus consists of a glass tube G about one metre in length (Figure) whose lower end is connected to a reservoir…

The vibrations created by a string are nothing but a wave. A string is a tight wire. When it is plucked or bowed, progressive transverse…

The sonometer consists of a hollow sounding box about a metre long. One end of a thin metallic wire of uniform cross-section is fixed to…

When two, identical, progressive waves of equal amplitudes and equal wavelengths and traveling in the similar medium, along the similar straight line, but in opposite…