A wave traveling in a medium undergoes a change in its speed. Which of the following quantities associated with the wave necessarily remain constant?

If an electromagnetic wave is traveling in free space, which of the following properties does it NOT possess?

In the wave equation $y = A \sin(\omega t - kx)$, what does $\omega$ represent?

Electromagnetic waves traveling in free space exhibit all of the following properties EXCEPT:

The equation of a wave is given by $y = 5 \sin(\pi(0.04t - 2x))$, where $x$ and $y$ are in cm and $t$ is in seconds. What is the frequency of the wave?

If a wave's amplitude is doubled and its frequency is halved, what happens to its wave velocity?

Which of the following is NOT a characteristic of electromagnetic waves propagating in free space?

The wave equation $y = A \sin(\omega t - kx)$ represents a wave travelling in which direction?

Which is having minimum wavelength?

The equation of a transverse wave traveling along a string is given by $y = 0.2 \sin \pi (0.5x - 200t)$, where $x$ and $y$ are in cm and $t$ is in seconds. What is the maximum transverse speed of a particle in the string?

The equation of a progressive wave is given by $y = A \sin(\omega t - kx)$. What does $k$ represent?