Waves Worksheet Practice Quiz

Using the formula v = f à - λ, dividing 340 by 170 gives 2 m. This is a straightforward application of the wave equation.

In a transverse wave, the oscillations of the medium occur perpendicular to the direction of wave travel. This distinguishes them from longitudinal waves.

Frequency is measured in Hertz (Hz), which counts cycles per second. The other units are used for force, energy, and power respectively.

Wave speed in a medium depends on properties like tension, density, and elasticity. Amplitude affects the energy of the wave, not the speed at which it travels.

The energy of a wave is directly related to its amplitude. Higher amplitude waves carry more energy, even though frequency and wavelength affect other aspects of the wave's behavior.

The correct relationship between speed, frequency, and wavelength is given by v = f à - λ. This fundamental equation is central to understanding wave behavior.

When two waves meet, they interfere, creating a resultant wave whose amplitude may differ from the individual waves. This process is known as interference and can be either constructive or destructive.

Frequency is the primary factor that determines the pitch of a sound wave. Higher frequency sounds are perceived as higher pitched, while lower frequencies are heard as lower pitched.

Constructive interference occurs when the crests and troughs of two waves align, creating a wave with a larger amplitude. This principle is fundamental to understanding many wave phenomena.

Increasing the tension in the string raises the restoring force, which in turn increases the speed of the wave. This is a key concept in the study of waves on strings.

The Doppler effect occurs due to the relative motion of the source and the observer, altering the observed frequency. This effect is seen in both sound and electromagnetic waves.

Destructive interference occurs when waves meet out of phase, reducing the overall amplitude at the point of overlap. This phenomenon is essential in understanding wave cancellation.

With a constant wave speed, an increase in frequency must result in a decrease in wavelength so that v = f à - λ remains constant. This inverse relationship is a fundamental characteristic of waves.

Mechanical waves require a medium to travel and cannot propagate through a vacuum, which makes the statement incorrect. This property differentiates them from electromagnetic waves that can travel in empty space.

A standing wave is the result of two waves of identical frequency and amplitude traveling in opposite directions interfering with each other. This creates a pattern of fixed nodes and antinodes where the wave appears to stand still.

For a string fixed at both ends, the second harmonic has a frequency that is twice that of the fundamental frequency. Hence, if the fundamental frequency is 50 Hz, the second harmonic will be 100 Hz.

The wave speed in a medium is largely determined by its density and elasticity (or stiffness). These properties dictate how quickly a disturbance can travel through the material.

In a rope fixed at both ends, the number of antinodes corresponds to the harmonic number. Therefore, 3 antinodes indicate the third harmonic.

The energy carried by a wave is proportional to the square of its amplitude. This quadratic relationship means that even a modest increase in amplitude can result in a large increase in energy.

Since the wave speed is constant and given by v = f à - λ, doubling the frequency must result in halving the wavelength to maintain the same speed. This inverse relationship is a fundamental property of waves.