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zhenek [66]
3 years ago
15

When you look at a white light bulb through red sunglasses, why does the light look red to your eyes? What happened to all the o

ther colors?
Physics
1 answer:
Lelu [443]3 years ago
3 0

Answer:

The answer is explained below in explanation

Explanation:

Whenever light falls on a colored surface, that color of light is reflected by the surface and all the other colors are absorbed. That is a black body appears black in all lights, because it absorbs every color and a white surface appears to be of the color of the light shone upon it because it is the mixture of all colors of light and reflects every color. The eyes only see the reflected light colors. The absorbed colors are not apparent to the eyes.

<u>Hence, when the white bulb is seen through red sunglasses, it does look like red to our eyes, while all the other colors are absorbed by the sun glasses.</u>

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Answer:

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3 years ago
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A square loop of wire, with sides of length a, lies in the first quadrant of the xy plane, with one corner at the origin. In thi
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Answer:

emf=-\dfrac{1}{2}kta^5

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Given that

B(y, t) = k y ³t²

To find the total flux over the loop we have to integrate over the loop

\phi =\int B.dS

Given that loop is square,so

\phi =\int B.dS

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5 0
3 years ago
2) A swinging motion of a Pendulum of clock is _______
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Hope it helps...

Regards,

Leukonov/Olegion.

3 0
3 years ago
A block of mass m slides down a frictionless ramp to a loop-the-loop with radius R. The mass starts from initial height such tha
Vera_Pavlovna [14]

Answer:

\frac{v^{2} }{R}

Explanation:

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v = speed of the block at top of the loop at point A

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At point A, the block moves in a circle and hence experience centripetal force. Due to this centripetal force, the centripetal acceleration of the block can be given as

a = \frac{v^{2} }{R}

6 0
3 years ago
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