30,000 Students Appeared For AIPMT 2012 - 0 views
What Makes it Spin? « - 0 views
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Seven activities to do with a radiometer. Of course, you need a radiometer - a radiometer is a light bulb-shaped device containing an object that looks like a weather vane (wings arranged in a circle like spokes of a wheel). Developed to measure the intensity of radiant energy, or heat (from the site)
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