What is the order of energy, in eV for a photon of visible light?

Visible light has wavelengths in the range of 400 nm to 780nm. Calculate the range of energy of the photons of visible light.

Visible light has wavelengths in the range of 400 nm to 780nm. Calculate the range of energy of the photons of visible light.

Visible light has wavelengths in the range of 400 nm to 780nm. Calculate the range of energy of the photons of visible light.

What is the ratio of the energy of an X ray photon of wavelength 1 Å to that of visible light of wavelength 5000 Å ?

What is the energy ( in eV) of a photon of walelength 12400A ?

What is the energy ( in eV) of a photon of walelength 12400A ?

The wavelengths of violet and red ends of visible spectrum are 390nm and 780 nm respectively. Evaluate the energy range of the photons of the visible light in electron volts.

A 100 watt bulb radiates 15% of energy given in the form of visible light . If wavelength of the visible photons are nearly 5,000Å , then calculate the number of visible light photons emitted per second.

What is the order of wavelength of visible light and audible sound?