3 years ago

The increase in volume of a material due to a temerature increased is called?

Physics

1 answer:

kakasveta [241]3 years ago

7 0

I believe the correct answer is expansion.

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What is an independent variable

snow_tiger [21]

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A variable (often denoted by x ) whose variation does not depend on that of another.

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3 years ago

X-rays with frequency 3 ⨉ 10 18 Hz shine on a crystal, producing an interference pattern. If the first bright spot is observed a

FrozenT [24]

Answer:

$5.1645\times 10^{-11}\ m$

Explanation:

n = Order = 1

c = Speed of light = $3\times 10^8\ m/s$

f = Frequency = $3\times 10^{18}\ Hz$

$\theta$ = Angle = $75.5^{\circ}$

Lattice spacing is given by

$d=\dfrac{n\lambda}{2\sin\theta}\\\Rightarrow d=\dfrac{n\times c}{f2\sin\theta}\\\Rightarrow d=\dfrac{1\times 3\times 10^{8}}{3\times 10^{18}\times 2\times \sin75.5^{\circ}}\\\Rightarrow d=5.1645\times 10^{-11}\ m$

The lattice spacing of the crystal is $5.1645\times 10^{-11}\ m$

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2 years ago

1. Name two ways of applying forces ?

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Explanation:

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The tendency of similarly charged particles to separate from each other

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This is Coulomb repulsion. Like charges repel ans opposites attract

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Primary colors of light?

brilliants [131]

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6. Cyan

7. Magenta

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