2 years ago

Does light have to have a medium to pass through?

Physics

1 answer:

skad [1K]2 years ago

7 0

Answer:

Light does not require any medium to travel because light is a transverse wave

hope it helps

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In which direction would the circle go if it was in between a positive and negative charge

evablogger [386]

It would go to the positive charge im like 99% sure of that

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3 years ago

A thin partition divides a thermally insulated vessel into a lower compartment of volume V and an upper compartment of volume 2V

Anni [7]

Answer:

1.89mol

Explanation:

The entropy change during free expansion is express as

$S_{f}-S_{i}=nRln(\frac{V_{F}}{V_{I}})\\$

Where S is the entropy of the system,

n is the amount of mole

R is the gas constant = 8.314 and

V is the volume occupied at the initial and final stage

since the process is n adiabatic free expansion, the entropy of the system is constant. Hence we can re-write the equation as

$S=nRln(\frac{V_{F}}{V_{I}})\\$

where the $V_{i}=v\\$ and $V_{f}=2v+v=3v\\$

$S=17.28J/k\\$ and

$R=8.314\\$

Now if we substitute in values we arrive at

$17.28=(8.314)n*ln(\frac{3v}{v} )\\17.28=(8.314)n*ln(3 )\\17.28=(8.314)n*1.0986\\n=\frac{17.28}{8.314*1.0989}\\n=1.89 mole\\$

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3 years ago

A _____ is made of 1 or more element chemically bonded through electron sharing

Vikki [24]

It is covalent bonds

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3 years ago

Define 1 watt power?

Bumek [7]

Answer:

A body is said to have power of 1 watt if it does work at the rate of 1 joule in 1 s. Watt is the SI unit of power. Other units of power include ergs per second, horsepower, metric horsepower or cheval vapeur (CV)), and foot-pounds per minute. The unit Watt is named after the scientist James Watt.

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3 years ago

What is the relationship between force, mass, and acceleration? (how do they effect one another)

Firdavs [7]

Answer:

F=ma

Explanation:

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3 years ago