How many photons of light with wavelength 400 nm can provide 1 J energy? `[h=6.626xx10^(-34)J*s]`

A Photon of red light having wavelength 600 nm has energy equal of (h=6.6xx10^(-34)Js) :

What is the mass of a photon of sodium light with a wavelength of 5890 Å? [h = 6.626 xx 10^(-34) Js]

What is the mass of a photon of sodium light with a wavelength of 5890 Å? [h = 6.626 xx 10^(-34) Js]

What is the mass of a photon of sodium light with a wavelength of 5890 Å? [h = 6.626 xx 10^(-34) Js]

What is the mass of a photon of sodium light with a wavelength of 5890 Å? [h = 6.626 xx 10^(-34) Js]

The number of photons of light having wavelength 100 nm which can provide 1 J energy is nearly:

How many photons of wavelength , 50 Å are required to produce 0.2 J of energy ? ( h = 6.626 xx 10^(-34) J *s )

What is the number fo photons fo light with a wavelngth fo 400 p m that provide 1 J of energy ?

What , is the number of photons of ligth with a wavelength of 400 pm that provide 1 j of energy