Physics, 02.12.2021 23:30 averiemiranda1
What is the wavelength of radiation that has a frequency of 3.4 x 10 11 s –1? Group of answer choices 8.8 x 10 5 nm 8.8 x 10 -13 nm 1.0 x 10 11 nm 8.8 x 10 -4 nm 1.0 x 10 -9 nm
Answers: 1
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Mr. polifka does a demonstration in science class. he holds an unlit match six inches above a candle flame. after a while, the match bursts into flame.
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The lid of a pressure cooker forms a nearly airtight seal. steam builds up pressure and increases temperature within the pressure cooker so that food cooks faster than it does in an ordinary pot. the system is defined as the pressure cooker and the water and steam within it. if 2.0 g of water is sealed in a pressure cooker and then vaporized by heating, and 5655 j must be added as heat to completely vaporize the water, what is the change in the system’s internal energy? answer in units of j.
Answers: 3
What is the wavelength of radiation that has a frequency of 3.4 x 10 11 s –1? Group of answer choice...
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