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miv72 [106K]
3 years ago
10

Is there any relation between distance and the colors we see?​

Physics
1 answer:
AveGali [126]3 years ago
5 0
Color travels in waves, which are loosely divided into short, medium and long in length. Because colors travel at different wavelengths, some are easier to see than others, but the amount of light is also a factor. In general, however, green is the most visible color from a distance, so yes there is.
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Answer:

Explanation:

Given that,

Force is downward I.e negative y-axis

F = -2 × 10^-14 •j N

Magnetic field is westward, +x direction

B = 8.3 × 10^-2 •i T

Charge of an electron

q = 1.6 × 10^-19C

Velocity and it direction?

Force in a magnetic field is given as

F = q(V×B)

Angle between V and B is 270, check attachment

The cross product of velocity and magnetic field

F =qVB•Sin270

2 × 10^-14 = 1.6 × 10^-19 × V × 8.3 × 10^-2

Then,

v = 2 × 10^-14 / (1.6 × 10^-19 × 8.3 × 10^-2)

v = 1.51 × 10^6 m/s

Direction of the force

Let x be the direction of v

-F•j = v•x × B•i

From cross product

We know that

i×j = k, j×i = -k

j×k =i, k×j = -i

k×i = j, i×k = -j OR -k×i = -j

Comparing -k×i = -j to given problem

We notice that

-F•j = q ( -V•k × B×i)

So, the direction of V is negative z- direction

V = -1.51 × 10^6 •k m/s

6 0
3 years ago
5. Is it likely that light with frequencies higher than ultraviolet was
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Answer: YES

Explanation:

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The hands are examples of levers because the wrist is the fulcrum.
kompoz [17]
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dedylja [7]

Answer:

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Explanation:

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