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ryzh [129]
3 years ago
12

The primary colors for paints are different for those used in a television because

Physics
2 answers:
ZanzabumX [31]3 years ago
8 0

Answer:

C. Both of A and C

Explanation:

Primary colors are colors that can be combined with one another to form other colors called secondary colors.

Light can be defined as a phenomenon that causes the sensation of vision. The primary colors with regards to light are: red, green and blue. Light is a form of an additive system where there is an addition of two or more primary colored lights to form other colors.

Paints are subtractive systems that produce color due to absorption and reflection of colors. A green paint appears green because it has absorbed other colors and reflects only green. Its primary colors are blue, yellow and green.

Therefore, paints reflect light and take out light from what light is shined onto them.

ANTONII [103]3 years ago
6 0

Answer:

the correct answer is A

Explanation:

In my opinion, the colors in both visual sources are different than in a painting, the color is the wave that is refracted when perceiving it with our human eye (this means that a painting of red color, absorbs all the waves of the color ranges except the color red and that refracted wave is captured by our eye and we visualize it that way) on the other hand, on the television screen or other screens the colors have the same system that we explain with the paintings but they also have more luminosity or greater value, intensity since they emit or emit light and greater brightness.

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Which temperature scale has no negative temperatures A. Celsius B. Joule C. Fahrenheit D. Kelvin
Brilliant_brown [7]
The Kelvin scale has no negatives on it.

Zero Kelvin is 'Absolute Zero', and nothing can get colder than that.
6 0
3 years ago
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How long was a 60 W light bulb turned on if it used a total of 580 J of energy?
icang [17]
Here's the tool you need.  You can't answer the question without this:

           "1 watt"
means
           "1 joule of energy, generated, used, or moved, every second".

So      60 watts  =  60 joules per second

           Total energy generated,
            used, or moved                  = (power) x (time).

                                     580 joules  =  (60 watts) x (time)

Divide each side
by  (60 watts):              Time  =  (580 joules) / (60 joules/sec) 

                                               =  (9 and 2/3)  seconds  .
7 0
3 years ago
A 1.5kw vacuum cleaner is used for half an hour. Calculate its energy usage.​
juin [17]

Answer:

its energy usage is 0.05

Explanation:

1.5kw/30=0.05

8 0
3 years ago
What is the volume of a cone with a height of 27 cm
JulijaS [17]

Explanation:

→ Volume of cone = πr² × h/3

Here,

  • Radius (r) = 13 cm
  • Height (h) = 27 cm

→ Volume of cone = π(13)² × 27/3 cm³

→ Volume of cone = 169π × 9 cm³

→ Volume of cone = 1521π cm³

→ Volume of cone = 1521 × 22/7 cm³

→ Volume of cone = 33462/7 cm³

→ <u>Volume of cone = 4780.28 cm³</u>

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3 years ago
Why are strong forces able to hold atomic nuclei together?
Galina-37 [17]
The nucleons(protons and neutrons) are held together by means of this strong force. If this strong never existed, all the nucleus will blow themselves due to strong repulsive force between protons(neutron has no charge).
Thats it!
If I explain beyond, it will surely bounce off your head. Anyways, if you wanna know more bout it, ping me. (:
4 0
3 years ago
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