Physics, 21.03.2021 06:50 ramirex9680
ray diagram for a double concave lens a focal length 4 cm when object placed at 3cm &5 cms in principle axis
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What is the frequency of a light wave with a wavelength of 620nm
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Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=
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Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.
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ray diagram for a double concave lens a focal length 4 cm when object placed at 3cm &5 cms in pr...
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