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3 years ago

Which type of electromagnetic waves make up the colors of a rainbow seen after a storm?

Physics

2 answers:

quester [9]3 years ago

7 0

The correct answer to the question is Visible light.

EXPLANATION:

A rainbow is visible to our naked eye. It contains all the seven constituent colors of a white light ranging from violet to red. Generally it is formed after a storm. It is due to the fact that different colors of light has different wavelength. When the white light falls on the water particles present in the atmosphere, all the colors deviate at different angles after their refraction through water particles, and the spectrum is obtained.

The infrared wave, X- rays and ultraviolet rays are not visible to our eye.

The visible light is that electromagnetic wave which helps us to view any object. It contains the seven colors just like a rainbow i.e ranging from violet to red.

All the colors present in a rainbow corresponds to visible region of the electromagnetic spectrum .

Hence, visible light is that electromagnetic wave which makes up the colors of a rainbow seen after a storm.

Step2247 [10]3 years ago

3 0

Visible light waves are the type of electromagnetic waves that make up the colors of the rainbow, because the rainbow is visible to us.

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At what rate must a cylindrical spaceship rotate if occupants are to experience simulated gravity of 0.50 gg? Assume the spacesh

Svetradugi [14.3K]

Answer:

The time needed is $T = 16.8 s$

Explanation:

From the question we are told that

The magnitude of the stimulated acceleration due gravity is $a = 0.5 g$

The diameter of the spaceship is $d = 35m$

Generally the force acting on the spaceship is

$F = ma$

Given that the spaceship is rotating it implies that the force experienced by the occupant is a centripetal force so

$F = \frac{mv^2}{r}$

Thus

$ma = \frac{mv^2}{r}$

=> $\frac{v^2}{r} = a$

Generally the speed of this spaceship is mathematically represented as

$v = \frac{2 \pi}{T}$

=> $v^2 = [\frac{2\pi}{T}] ^2$

=> $\frac{\frac{4\pi^2 r^2}{T^2} }{r} = 0.5g$

=> $\frac{4 \pi^2 r }{T^2} = 0.5 g$

=> $T = \sqrt{ \frac{4\pi^2 r}{0.5g}}$

substituting values

$T = \sqrt{ \frac{4* (3.142)^2 *(35)}{0.5 * 9.8}}$

$T = 16.8 s$

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3 years ago

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A 50.0-g ball traveling at 25.0 m/s bounces off a brick wall and

liubo4ka [24]

Answer:

13,400 m/s²

Explanation:

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a = (22.0 m/s − (-25.0 m/s)) / 0.00350 s

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3 years ago

Horace has invented a unique pair of reading glasses that have two small light bulbs at the bottom wired in series, so that he c

ElenaW [278]

Answer:

The current drawn by Horace’s reading glasses is 0.8 A.

Explanation:

Given that,

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Voltage of the system, V = 3.2 volts

These two bulbs are connected in series. The equivalent resistance will be 2 ohms +2 ohms = 4 ohms

Let I is the current drawn by Horace’s reading glasses. Using Ohm's law to find it such that :

$V=IR\\\\I=\dfrac{V}{R}\\\\I=\dfrac{3.2}{4}\\\\I=0.8\ A$

So, the current drawn by Horace’s reading glasses is 0.8 A.

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3 years ago

A parked car's horn (belonging to a musician) emits a concert A of frequency 440 on a day when the speed of sound is 342 m/s. Yo

julsineya [31]

Answer:

19.08 m/s

Explanation:

f = actual frequency emitted by the parked car's horn = 440 Hz

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frequency of the horn observed by you is given as

$f' = \frac{Vf}{V - v}$

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