The Earth is 93,000,000 miles from the sun. If light travels at 299,800 km per second how long does it take the light from our sun to reach us?
1 mile = 1.609 km
Explain how infra-red radiation is used to cook food in a very common kitchen appliance. Which is it?
(its not a microwave!)
Infra-red spectrophotometers can be used to analyze a sample based upon what spectroscopy principle? What kind of information is obtained?
Explain the meaning of the term monochromatic.
How does microwaves affect water when placed in a microwave oven. Why does this cause the water to heat up?