How does a radiometer work?

Subject: How does a radiometer work?

Date: Thu Sep 24 14:35:30 1998
Posted by Laura Prescott
Grade level: teacher/prof
School: No school entered.
City: Austin State/Province: TX
Country: USA
Area of science: Physics
ID: 906665730.Ph

Message:


How does a radiometer work? (I mean those light bulb shaped things 
with a vane inside that spins when exposed to light.)
Does it have to do with the momentum of light?  Is it correct to say
that in order for something to have momentum, it must be a particle
(i.e. not a wave)?

Re: How does a radiometer work?

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