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Kamila [148]
3 years ago
8

Explain ray diagram and derive first law of reflection from that.

Chemistry
2 answers:
Ivahew [28]3 years ago
6 0

(I posted the picture for a ray diagram and the first law of reflection.) The rays show the first law of reflection since everything gets reflected. Look at the picture for more:

tresset_1 [31]3 years ago
4 0

The first law of reflection is the formula Oi that equals to Or. Sorry I dont know the rest.

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2 years ago
What amount of energy is required to change a spherical drop of water with a diameter of 1.80 mm to three smaller spherical drop
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This is a straightforward question related to the surface energy of the droplet. 

<span>You know the surface area of a sphere is 4π r² and its volume is (4/3) π r³. </span>

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<span>The five smaller droplets need to have the same volume as the original. Therefore </span>

<span>5 V = 1.438 mm³ so the volume of one of the smaller spheres is 1.438/5 = 0.287 mm³. </span>

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