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3 years ago

Light striking a mirror at a 50° angle will be reflected at an angle _____.

Physics

2 answers:

jasenka [17]3 years ago

7 0

Answer:Actually the answer would be correctly less than 50

Explanation:Because Light is always reflected at an angle equal and opposite to the incoming wave. For example, light striking a mirror at a 45° angle will be reflected in the opposite direction at a 45° angle.

Stells [14]3 years ago

5 0

Equal to 50

law of reflection: angle of incidence equals angle of reflection

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A reversible Carnot engine has an efficiency of 30% and it operates between a heat source maintained at T 1 , and a refrigerator

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To solve this problem we will apply the concepts related to the thermal efficiency given in an engine of the Carnot cycle. Here we know that efficiency is given under the equation

$\eta = 1 - \frac{T_2}{T_1}$

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According to the statement our values are:

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Replacing we have that

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Therefore the temperature of the heat source is 300K

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3 years ago

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