Each row in the auditorium has 18 seats and 246 and teachers are going to watch an assembly in the auditorium how many rows of s
1 answer:
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To calculate this we will use the light equation:
λ
We have Frequency
.
We know that speed of light in vacuum is
.
Since a unit of speed of light is m/s, we can change the unit of frequency Hz to 1/s, since Hz means cycles per second (f=1/T).
So:
<span>
</span>
<span>λ
</span>⇒ λ
⇒ λ
⇒ <span>λ</span>
We have Frequency
We know that speed of light in vacuum is
Since a unit of speed of light is m/s, we can change the unit of frequency Hz to 1/s, since Hz means cycles per second (f=1/T).
So:
<span>
</span>
<span>
</span>⇒ λ
⇒ λ
⇒ <span>λ</span>