3 years ago

When light strikes an object, what happens to some of the light?

Physics

1 answer:

svp [43]3 years ago

5 0

Answer:

The light wave could be reflected by the object

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Describe speed of light

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Answer:

Definition of speed of light. : a fundamental physical constant that is the speed at which electromagnetic radiation propagates in a vacuum and that has a value fixed by international convention of 299,792,458 meters per second

Explanation:

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3 years ago

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A 40.0-μFcapacitor is connected across a 60.0 Hz generator. An inductor is then connected in parallel with the capacitor. What i

amm1812

Answer:

The value of the inductance is 175.9 mH.

Explanation:

Given that,

Capacitor $C= 40.0\ \muF$

Frequency = 60.0 Hz

The inductor and capacitor is connected in parallel, the voltage across each of these elements is the same.

We have,

$V_{L}=V_{C}$

Using ohm's law

$I_{rms}\times X_{L}=I_{rms}\times X_{C}$

$X_{L}=X_{C}$

$2\pi f L=\dfrac{1}{2\pi f C}$

$L=\dfrac{1}{4\pi^2\times f^2\times C}$

Put the value into the formula

$L=\dfrac{1}{4\times\pi^2\times60.0^2\times40\times10^{-6}}$

$L=0.1759\ H$

$L=175.9\times10^{-3}\ H$

$L=175.9\ mH$

Hence, The value of the inductance is 175.9 mH.

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4 years ago

Q- A body is acted upon by two forces 30N due east and 40N due North. Calculate

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Answer:

the following image will make you understand

Explanation:

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How does light travel??????????

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Light travels through waves.

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4 years ago

lawyer [7]

Answer:

at the door

Explanation:

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