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laila [671]
3 years ago
13

An electromagnetic wave is exactly 1.00 m long. What is the frequency of this wave? Show your work.

Physics
1 answer:
Anastaziya [24]3 years ago
3 0

This should be using the wavelength-frequency formula: c=fλ

λ (Lambda) = Wavelength in meters

c = Speed of Light (3*10^{8} m/s)

f = Frequency (Hz)

So 3e8/1 = 3e8 Hz

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3 years ago
A light-year is the distance light travels in one year (at speed = 2.998 × 108 m/s). (a) how many meters are there in 11.0 light
larisa [96]
<span>The answers are as follows:

(a) how many meters are there in 11.0 light-years?

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(b) an astronomical unit (au) is the average distance from the sun to earth, 1.50 × 108 km. how many au are there in 11.0 light-years?

1.04x10^17 m ( 1 au / </span>1.50 × 10^8 km <span>) ( 1 km / 1000 m) = 693329.472 au

(c) what is the speed of light in au/h? au/h

</span>2.998 × 10^8 m/s ( 1 au / 1.50 × 10^8 km ) ( 1 km / 1000 m) ( 3600 s / 1 h ) = 7.1952 au/h

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