EVERYDAY SCIENCE

SCIENCE

PHYSICAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Visible light coming from the Sun is composed of ____ colors.
A
2
B
3
C
4
D
7
Explanation: 

Detailed explanation-1: -The white light coming from the sun is the spectrum of the seven colors, violet, indigo, blue, green, yellow, orange, red. This can be proved to bypass the white light through the prism As shown in the figure below.

Detailed explanation-2: -Requirements: A prism and a white sheet of paper Pretty much like the rainbow, every color in VIBGYOR, that is Violet, Indigo, Blue, Green, Yellow, Orange and Red can be seen. The conclusion drawn here is that sunlight is nothing but a mixture of seven colors. And these seven colors combine to form the white light.

Detailed explanation-3: -The color of the sun is white. The sun emits all colors of the rainbow more or less evenly and in physics, we call this combination “white". That is why we can see so many different colors in the natural world under the illumination of sunlight.

Detailed explanation-4: -Newton’s Rainbow. In the 1660s, English physicist and mathematician Isaac Newton began a series of experiments with sunlight and prisms. He demonstrated that clear white light was composed of seven visible colors.

Detailed explanation-5: -Violet-shortest wavelength, around 400-420 nanometers with highest frequency. Indigo-420-440 nm. Blue-440-490 nm. Green-490-570 nm. Yellow-570-585 nm. Orange-585-620 nm. Red-longest wavelength, at around 620-780 nanometers with lowest frequency. 19-Apr-2018

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