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Veseljchak [2.6K]
3 years ago
11

Where do you find the visible spectrum on the EM spectrum?

Physics
1 answer:
julsineya [31]3 years ago
6 0

Answer: electromagnetic radiation

Explanation: range of wavelengths is called visible light or simply light. A typical human eye will respond to wavelengths.

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A light beam has speed c in vacuum and speed v in a certain plastic. The index of refraction n of this plastic is
Mnenie [13.5K]

Answer:

n = \frac{c}{v}

Explanation:

Refractive Index: It is a measure to find how fast the light travels through a medium. It is ration of the speed of light in vacuum to speed of light in the medium. Speed of light is not constant and varies depending on the density of the medium.

In vacuum the speed of light is 300000 km/s and is denoted by c. When the light beam enters any medium the speed will decrease. Here it is given that the speed in plastic is v. Thus the refractive index(n) is given as:

n = \frac{c}{v}

It is a dimensionless no.

3 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! I CANNOT RETAKE THIS!!
Aneli [31]

d^2=4^2+3^2\\\\d^2=16+9\\\\d^2=25\\\\d=5

3 0
3 years ago
The glowing of a neon light is caused by electrons emitting energy as they
Crazy boy [7]
Move from higher to lower energy levels
6 0
3 years ago
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Give me 3 events of matter and energy that you can't explain yourself ( need some ideas)​
nalin [4]

Answer:

Plasma, Supersolid, Superfluid

Explanation:

I don't know if this is what you are looking for, but I have no idea what these even are.

8 0
3 years ago
Anna Litical is practicing a centripetal force demonstration at home. She fills a bucket with water, ties it to a strong rope, a
dlinn [17]

Answer:

Explanation:

Suppose when bucket is half full it has a mass of 2 m rotating in a circle of  radius r

When Bucket is quarter full then it has a mass of m rotating in a circle of radius r.

When an object moves in a circular path then it experiences an inward force which is given by

F_1=\frac{2mv^2}{r}

where v=velocity of bucket

Force in case 2 is given by

F_2=\frac{mv^2}{r}

Thus F_1=2F_2

therefore force required in half bucket is more than force required in quarter bucket full.

6 0
3 years ago
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