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3 years ago

Based on the second law of thermodynamics, how would you expect a system to change over time?

Physics

2 answers:

deff fn [24]3 years ago

5 0

B. It's randomness would increase

Because the Second Law of Thermodynamics states that as energy is transferred or transformed, more and more of it is wasted. It also states that there is a natural tendency of any isolated system to degenerate into a more disordered state.

jenyasd209 [6]3 years ago

5 0

Answer:

B. Its randomness would increase.

Explanation:

Thermodynamics is referred as the study of heat and energy. It explains the movement of energy within and outside any system.

The second law of thermodynamics explains about the inefficiency and decay of a system. Amount of work done will increase the amount of energy released which is irreversible hence the feasibility and efficiency will keep on increasing.

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A beam of light has a wavelength of 650 nm in vacuum. (a) What is the speed of this light in a liquid whose index of refraction

Lady_Fox [76]

Answer:

The speed of this light and wavelength in a liquid are $2.04\times10^{8}\ m/s$ and 442 nm.

Explanation:

Given that,

Wavelength = 650 nm

Index refraction = 1.47

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Using formula of speed

$n = \dfrac{c}{v}$

Where, n = refraction index

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v = speed of light in medium

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$v=\dfrac{3\times10^{8}}{1.47}$

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(b). We need to calculate the wavelength

Using formula of wavelength

$n=\dfrac{\lambda_{0}}{\lambda}$

$\lambda=\dfrac{\lambda_{0}}{n}$

Where, $\lambda_{0}$ = wavelength in vacuum

$\lambda$ = wavelength in medium

Put the value into the formula

$\lambda=\dfrac{650\times10^{-9}}{1.47}$

$\lambda=442\times10^{-9}\ m$

Hence, The speed of this light and wavelength in a liquid are $2.04\times10^{8}\ m/s$ and 442 nm.

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