property of light

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property of light

Postby 505166714 » Tue Oct 16, 2018 4:39 pm

I'm confused, if the number of photons only influence the intensity of the light instead of the energy of the light, then why can the book ask questions like the photo attachment?

Rachel Yoo 1F
Posts: 65
Joined: Fri Sep 28, 2018 12:24 am

Re: property of light

Postby Rachel Yoo 1F » Tue Oct 16, 2018 5:13 pm

Photons do influence the amount of energy. Each photon is like a packet of energy so if the light produces a certain amount of photons, the energy radiation is influenced upon that.

Sameen Mahmood 3D
Posts: 37
Joined: Wed Jun 13, 2018 3:00 am

Re: property of light

Postby Sameen Mahmood 3D » Tue Oct 16, 2018 5:18 pm

You can utilize the information given in the question to derive an answer without considering photons in terms of their energy as a particle/wave. Because you are given wavelength, use the equation E=hv to find the energy and multiply it by the number of photons.

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