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mr_godi [17]
3 years ago
13

Explain the relationship among visible light, the electromagnetic spectrum, and sight.

Physics
2 answers:
yaroslaw [1]3 years ago
8 0

Explanation:

The <em>electromagnetic spectrum</em> is the name given to the full range of frequencies and/or wavelengths that electromagnetic phenomena may have.

Human eyes respond to a small range of wavelengths in that spectrum. That response is called <em>sight</em>. Because humans can see that electromagnetic energy, it is called <em>visible light</em>.

salantis [7]3 years ago
6 0

QUESTION:

Explain the relationship among visible light, the electromagnetic spectrum, and sight.

ANSWER:

The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light. A typical human eye will respond to wavelengths from about 380 to about 750 nanometers.

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3. Suppose that you have an electrically charged stick. If you divide the stick in half, each half will have half the original c
FrozenT [24]

Answer:

No, you can't keep on dividing the charge forever.

Explanation:

No, you can't keep on dividing the charge in that manner forever because the total charge of the stick is an integer multiples of individual units known as an elementary charge, <em>which is the electron (e) charge (e = 1.602x10⁻¹⁹C)</em>.

Therefore the limit of the division of the original charge will be the electron charge since it is the smallest charge that can exist freely.  

I hope it helps you!  

8 0
3 years ago
Is Obesity primarily due to Genetics?
zepelin [54]
Obesity is primarily caused by a lack of physical activity or by unhealthy dietary habits. The positive energy balance underlying obesity is generally attributed to chronic excess energy intake or reduced physical activity.
6 0
3 years ago
You are trying to determine the area of the floor of a rectangular closet since you will be replacing the carpet. You measure th
Eva8 [605]

Answer:

Explanation:

length L = 5±.1

percentage error

= 0.1/5 x 100 = 2%

breadth b = 3.8 ±.1

percentage error

= .1 / 3.8 x 100

= 2.6 %

Maximum reading of length = 5.1 m

maximum reading of breadth = 3.9m

maximum area possible = 5.1 x 3.9

= 19.9 m².

maximum possible error in the measurement of area in percentage terms

= 2+2.6 = 4.6 %

error in maximum area

19.9 x 4.6 /100

= .9 m²

Minimum possible measurement of area

4.9 x 3.7 = 18.1 m²

possible error

18.1 x 4.6 / 100

= .8 m²

3 0
4 years ago
Consecutive resonances occur at wavelengths of 8 m and 4.8 m in an organ pipe closed at one end. What is the length of the organ
pashok25 [27]

Answer:

Length of the organ pipe is 6 meters.

Explanation:

Let resonance occur at wavelengths of 8 m at n and wavelength of 4.8 m at (n+2). We know that resonance occurs at,

L=n\dfrac{\lambda}{4}

L=n\dfrac{8}{4}

L = 2 n.................(1)

And,

L=(n+2)\dfrac{4.8}{4}

L=n\dfrac{8}{4}

2n=1.2n+2.4 (from equation (1))

n = 3

Put the value of n in equation (1). So,

L=2\times 3=6\ m

So, the length of the organ pipe is 6 meters. Hence, this is the required solution.

8 0
4 years ago
Read 2 more answers
Could the thermal energy of a bowl of hot water equal that of a cold water? Explain.
eduard
No The Thermal energy of the hot water will be higher compared to that of the cold water because Thermal energy is a function of temperature so the higher the temperature the more the energy. That is why during the operation of thermal power plants the water is heated up to super heated state so that the net work out put is higher.
7 0
3 years ago
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