3 years ago

What is the wavelength of the longest wavelength light visible to the human eye?

1 answer:

7 0

The only electromagnetic wave that human eye can see or sensitive are those of visible light waves. These are colors representing the color of rainbow(red, orange, yellow, green, blue, and violet). Red, which appears in the outermost shell of the rainbow, has the longest, wavelength, around 620-750 nm

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Objects falling through the air experience a type of friction called air resistance. true or false

oee [108]

Answer:

True

Explanation:

Objects falling through the air experience a force of opposition called air resistance

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3 years ago

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Calculate The voltage if the current passing through the wire is 3A, and has a resistance of 10 Q

Nat2105 [25]

We use the formula V=IR where I is current, v is voltage, and R is resistance. This is V=(3)(10) which is 30 Volts, answer choice (c)

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2 years ago

Find the equivalent resistance of this

frosja888 [35]

Answer:

Re=160ohm

Explanation:

Step#1

Rt=R1+R2 ( because both are in series)

Rt=(100+220 ) ohm

Rt=320 ohm

Step#2

Rt and R3 are parallel so,

Re= (Rt× R3) ÷ (Rt+R3)

Re= (320×320)÷( 320+320)

Re = 102,400÷ 640

Re=160ohm

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2 years ago

If opposite poles repel each other, why does the north end of a compass point to the north pole?

lina2011 [118]

Ratios are fractions

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3 years ago

Leia is presenting her project about gravity to her class. She says that both mass and distance affect how strong the gravitatio

DaniilM [7]

Answer:

No, because as distance increases, gravitional force decreases.

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3 years ago