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4 years ago

The electromagnetic spectrum is composed of many colors that possess different wavelengths. Which color possesses the shortest?

Physics

1 answer:

MrRa [10]4 years ago

8 0

Answer:

Violet

Explanation:

The visible spectrum of EM spectrum composed of mainly seven colors that possess different wavelengths. It is called visible spectrum because it is only part of EM spectrum that can be seen by the human eyes.

These colors from longest to shortest wave length can be written as red, orange, yellow, green, blue, indigo, and violet. Thus , we can say that violet color is color with least wavelength.

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What happens when calcium reacts with chlorine?

choli [55]

Answer: They create calcuim chloride, CaCl2

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3 years ago

In places of hot climate it is advised that the outer walls of houses be painted white. Explain.

goblinko [34]

Darker colors absorb heat, While lighter colors don't. If a house is painted black in Arizona, The black color will absorb the heat making the temperature inside the house very hot even with the AC on. If a house in Arizona is painted White, The heat will bounce off the White color, making the temperature inside the house cooler.

Hope this helps!

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3 years ago

Read 2 more answers

two negative charges that are both -3.0 C push each other apart with a force of 19.2 N how far apart are the charges

Hoochie [10]

The electrostatic force between two charges q1 and q2 is given by
$F=k_e \frac{q_1 q_2}{r^2}$
where $k_e =8.99 \cdot 10^9 N m^2 C^{-2}$ is the Coulomb's constant and r is the distance between the two charges.

If we use F=19.2 N and q1=q2=-3.0 C, we can find the value of r, the distance between the two charges by re-arranging the previous formula:
$r= \sqrt{k_e \frac{q_1 q_2}{F} }= \sqrt{ 8.99 \cdot 10^9 N m^2 C^{-2} \frac{(-3.0C)^2}{19.2 N} } =6.49 \cdot 10^4 m=64.9 km$

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3 years ago

How do the prefixes micro, nano and pico relate to each other?

In-s [12.5K]

Answer:

because they are same and their properties

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3 years ago

Avi, a gymnast, weighs 40 kg. She is jumping on a trampoline that has a spring constant value of 176,400 . If she compresses the

viva [34]

Answer

9 m

Explanation

The energy stored in a spring is given by:

Energy = 1/2 k²e

Where e is the compression and k is the spring constant.

Energy = 1/2 × 176,400 × 0.2²

= 3,528 N

The same energy will then be converted to potential energy given by:

Energy = mgh

Where m is the mass, g is the gravity and h is the height above the ground.

Energy = mgh

3,528 = 40 × 9.8 × h

3,528 = 392h

h = 9 m

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3 years ago

Read 2 more answers