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Ulleksa [173]
2 years ago
11

. white light (containing all visible colors) passes through a gas that absorbs some of the light. the spectrum is then analyzed

. how could that spectrum best be described?
Physics
1 answer:
irinina [24]2 years ago
5 0

White light (containing all visible colors) passes through a gas that absorbs some of the light, the spectrum is then analyzed.

That spectrum best be described as a spectrum that is continuous except for few black lines.

<h3>What is spectrum?</h3>
  • The variation in light's intensity with frequency or wavelength.
  • A spectroscope is a device created for visual spectral observation, while a spectrograph is a device that captures or maps spectra.
  • The sun's spectrum of colors, the rainbow, and a molecule's infrared absorption wavelengths are a few examples of spectra.
  • Continuous, emission, and absorption spectra are the many types.
  • A conceptual tool called the Spectrum is used to map and organize the electromagnetic wave's physical events.
  • The electromagnetic spectrum is the collection of all conceivable radio frequencies at which these waves can flow through space.

Learn more about spectrum here:

brainly.com/question/3997802

#SPJ4

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When stated as a percentage, the useful energy transferred by a device divided by the total energy supplied to the device is kno
Verdich [7]

Efficiency

Explanation:

Efficiency is a ratio/percentage that is useful in comparing the energy transferred by a device to the total energy supplied to it.

  Percentage efficiency = \frac{energy input}{total energy supplied} x 100

  • As with most system, none is 100% efficient.
  • During energy is transferred some are lost and only a little portion is used in doing actual work by the machine.
  • This validates the third law of thermodynamics which proposes that no system is 100% efficient.
  • A 100% efficiency implies total energy input is used doing all the work.
  • This is impossible. The bulk of the energy goes into heating the system.

learn more:

Third law of thermodynamics brainly.com/question/3564634

#learnwithBrainly

4 0
3 years ago
A wave with a wavelength of 15m travel at 330m/s.Calculate its frequency.​
katovenus [111]

ANSWER:

22 Hz.

Explanation:

Frequency = (speed) divided by (wavelength) = (330) / (15) =

8 0
3 years ago
What is the weight of an object when the object has a mass of 22kg
Savatey [412]
Assuming the object is on earth the objects weight would be equal to its mass multiplied by the gravitational field constant

mass=22kg
g=9.80665N/kg

weight=(22 kg) (9.80665 N/kg)=215.7463N

generally g is rounded to be 10 N/kg so for any question where it asks the weight given the mass just multiply by 10 and that should suffice. In this case the answer would be 220 N
5 0
3 years ago
Wagon wheel. While working on your latest novel about settlers crossing the Great Plains in a wagon train, you get into an argum
OverLord2011 [107]

Answer:

I = 16.7kgm²

Explanation:

Since, Torque is given by,

\tau = F*r = I*\alpha

here, I = Moment of inertia = ??

\alpha = angular acceleration of wheel = a/r

F = tangential tension acting on the wheel = T

a = acceleration of bag of sand = 2.95 m/s^2

r = radius of wheel = d/2 = 120/2 = 60 cm = 0.60 m

from force balance on sand bag,

mg - T = m*a

T = m*(g-a)

m = mass of sand bag = 20 kg

So, I = T*r/\alpha = m*(g-a)*r/(a/r)

Using known values:

I = 20*(9.81 - 2.95)*0.60/(2.95/0.60) = 16.74

I = 16.7 kgm² = Moment of inertia of wheel experimentally

also, Moment of inertia of wheel theoretically(I') = M*r²

given, M = mass of wheel = 70 kg

I' = 70*0.60²= 25.2 kgm² = Moment of inertia of wheel theoretically

7 0
3 years ago
An open pipe, 0.29 m long, vibrates in the second overtone with a frequency of 1,227 Hz. In this situation, the fundamental freq
Andru [333]

Answer:

f = 409 Hz

Explanation:

We have,

Length of the open organ pipe, l = 0.29 m

Frequency of vibration of second overtone, f_2 = 1227 Hz

It is required to find the fundamental frequency of the pipe. For the open organ pipe, the frequency of second overtone is given by :

f_2=\dfrac{3v}{2l}

v is speed of sound

Let f is the fundamental frequency. It is given by :

f=\dfrac{v}{2l}

The relation between f and f₂ can be written as :

f_2=3f\\\\f=\dfrac{f_2}{3}\\\\f=\dfrac{1227}{3}\\\\f=409\ Hz

So, the fundamental frequency of the pipe is 409 Hz.              

6 0
3 years ago
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