Physics, 21.11.2020 01:00 avavackity
Which of the following is a chemical change?
A. Water vapor in the air turns to liquid water in the form of rain
B. The oxygen in the air forms ozone in presence of UV rays
C. Dust and soot particles being suspended in the air
D. Sulphur dioxide being released in the air
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According to social exchange theory, altruistic behaviors benefit the individual who performs them.
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Which statement correctly describes the relationship between frequency and wavelength?
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The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle ฮธ=0โ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle ฮธ=30โ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle ฮธ=45โ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle ฮธ=60โ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle ฮธ=90โ with the plane of polarization?
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Which of the following is a chemical change?
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