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Which one of the following is NOT true for an electromagnetic wave
(a)Electromagnetic wave transports energy and momentum
(b)Electromagnetic wave can polarized and reflected
(c)Electromagnetic wave is longitudinal
(d)Electromagnetic wave propaga-tion is described by the varying electric and magnetic fields

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Important Questions on Physics
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A. For a balanced equation, the number of atoms for each element in the reaction is the same for both the reactants and the products.
B. For an unbalanced chemical reaction, the number of atoms for one or more elements in the reaction is not the same for both the reactants and products.

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The force that a neutron exerts on a proton inside an atom is _____:

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Which of the following is the high-frequency radiation produced in nuclear reactions and also emitted by radioactive nuclei that are used in medicine to destroy cancer cells?



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