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3 years ago

Place the items in order from the largest wavelength to the shortest wavelength.

Physics

1 answer:

Butoxors [25]3 years ago

4 0

From largest to shortest wavelength:

Radio waves, Microwaves, Infrared radiation, Red visible, Orange visible, Yellow visible, Green visible, Blue visible, Violet visible, Ultraviolet, X-rays, Gamma rays

Explanation:

Electromagnetic waves are oscillations of the electric and the magnetic field in a plane perpendicular to the direction of motion the wave.

Electromagnetic waves are the only type of waves able to travel in a vacuum, and in a vacuum they always at the same speed, the speed of light, equal to:

$c=3.0\cdot 10^8 m/s$

Electromagnetic waves are classified into 7 different types, according to their wavelength/frequency. From slongest to shortest wavelength, they are ranked as follows:

Radio waves

Microwaves

Infrared radiation

Visible light

Ultraviolet

X-rays

Gamma rays

Visible light is the only part of the spectrum that the human eye is able to see. Depending on the wavelength of the visible light, we perceive the radiation as a different color. In order from longest to shortest wavelength, colors are:

Red

Orange

Yellow

Green

Blue

Indigo

Violet

Therefore, the correct order from largest to shortest wavelength in the given list is:

Radio waves

Microwaves

Infrared radiation

Red visible

Orange visible

Yellow visible

Green visible

Blue visible

Violet visible

Ultraviolet

X-rays

Gamma rays

Learn more about electromagnetic waves:

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A 2100-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 5.00 m before coming into contact w

aliya0001 [1]

Answer:

f = 878,080 N

Explanation:

mass of pile driver (m) = 2100 kg

distance of pile driver to steel beam (s) = 5 m

depth of steel driven (d) = 12 cm = 0.12 m

acceleration due to gravity (g0 = 9.8 m/s^{2}

calculate the average force exerted on the pile driver by the beam.

from work done = force x distance

work done = change in potential energy of the pile driver

equating the two equations above we have

force x distance = m x g x (s - d)

f x 0.12 = 2100 x 9.8 x (5- (-0.12))

d = - 0.12 because the steel beam went down at we are taking its

initial position to be an origin point which is 0

f = ( 2100 x 9.8 x (5- (-0.12)) ) ÷ 0.12

f = 878,080 N

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3 years ago

A certain superconducting magnet in the form of a solenoid of length 0.70 m can generate a magnetic field of 8.0 T in its core w

vampirchik [111]

Answer:

Explanation:

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3 years ago

If a cup of coffee is at 90°C and a person with a body temperature of 36°C touches it, how will heat flow between them?

Savatey [412]

Answer:

According to II law of thermodynamics the heat always transfers from high temperature to low temperature body without aid of any external energy. So, according to this law the heat transfers from cup of coffee to the person body until both bodies reaches to the equilibrium state.

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Whenever the person touches the hot coffee, he senses the heat that means the heat is transferring in to his body.

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4 years ago

Read 2 more answers

A 75 kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 4.5m starting fr

sergejj [24]

Answer:

The net force acting on the bobsled is 300 N.

Explanation:

Given:

Mass of the bobsled is, $m=75\ kg$

Displacement is, $d=4.5\ m$

Initial speed is, $u=0$ m/s

Final speed is, $v=6.0$ m/s

Net acceleration acting on the bobsled can be determined using the following Newton's equation of motion:

$v^2=u^2+2ad$

Plug in all the given values and solve for acceleration, $a$ .

$(6.0)^2=0+2a(4.5)\\36=9a\\a=\frac{36}{9}=4\ m/s^2$

Now, as per Newton's second law, net force is the product of mass and acceleration. So,

$F_{net}=ma\\F_{net}=75\times 4=300\ N$

Therefore, the net force acting on the bobsled is 300 N.

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3 years ago

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The equation for range is:

R = v₀²sin(2θ)/g
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dR/dθ = (v₀²/g)(sin 2θ)
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3 years ago