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Dmitry_Shevchenko [17]
4 years ago
9

A light bulb, a fan, and a tiny speaker are connected to a battery in a series circuit. How will the circuit behave if it is ope

n?
Question 10 options:

None of the devices will work.

The battery will heat up and explode.

Only the device closest to the battery will work.

The bulb will light, the fan will blow, and the speaker will make noise.
Physics
1 answer:
Anarel [89]4 years ago
5 0

if you on UsaTestPrep its A

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The speed of a light wave in a certain transparent material is 0.6310.631 times its speed in vacuum, which is 3.00×108 m/s3.00×1
klemol [59]

Answer:

367.57 nm

Explanation:

Given that the speed of the light in certain material is 0.6310 times the speed of light in vacuum.

Speed of light in vacuum = 3×10⁸ m/s

Speed of the light in that material = 0.6310×3×10⁸ m/s = 1.893×10⁸ m/s

The frequency of the light does not change but the wavelength of the light changes with change in the speed when light travels from one medium to another.

Thus, frequency = 5.15×10¹⁴ Hz

Using,

c = frequency × Wavelength

Wavelength = c / frequency = (1.893×10⁸ m/s) / (5.15×10¹⁴ Hz) = 367.57×10⁻⁹ m

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1 nm = 10⁻⁹ m

<u>So, wavelength = 367.57 nm</u>

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