It's gotta be purple!!!!!!!!!!!!!!!
Answer:
Explanation:
From the question we are told that
Frequency of light
Generally the equation for wave is mathematically given as
Where
Generally the equation for a fundamental Frequency is mathematically given as
Therefore the length of the smallest standing wave
Answer:
2.14 s
Explanation:
The period is the time for 1 revolution. If it takes 21.4 seconds to make 10 revolutions, then it takes 2.14 seconds to make 1 revolution.
You can show this with a proportion:
t / 1 rev = 21.4 s / 10 rev
t = 2.14 s