If frequency of red light is lower than frequency of blue light, how will their energies compare?
If frequency of red light is lower than frequency of blue light, how will their energies compare?
An electromagnetic wave is travelling through a vacuum. If its frequency is 1 MHz, what will be its wavelength?
What is the physical magnitude of sound related to tone?
Is sound able to travel through a vacuum?
A spring is producing waves with a frequency of 4 Hz and a wavelength 0.5 m. What is its velocity? What will be its wavelength if the frequency is doubled? What will be its wavelength if the frequency is reduced to half?