De Broglie Equation


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Jamie Lee 1H
Posts: 54
Joined: Fri Aug 09, 2019 12:15 am

De Broglie Equation

Postby Jamie Lee 1H » Sat Oct 12, 2019 9:57 pm

In class on Friday, the De Broglie equation was derived using speed of light so why can't the De Broglie equation be used for light?
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vpena_1I
Posts: 109
Joined: Sat Aug 24, 2019 12:15 am

Re: De Broglie Equation

Postby vpena_1I » Sat Oct 12, 2019 10:10 pm

The De Broglie equation is used for particles that have rest mass, and photons do not have any mass.
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805422680
Posts: 103
Joined: Sat Sep 14, 2019 12:16 am

Re: De Broglie Equation

Postby 805422680 » Sat Oct 12, 2019 10:11 pm

The De Broglie cannot be used for light as light or photons are considered to massless, and thus any answer that you would get from that equation would be zero. The De Broglie equation can only be used for objects with a small mass and high frequency.
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