I changed my undershorts. The elastic on the old ones I put on that day was deteriorated, and it completely failed when I dripped lab coffee on it, causing falldown.
Answer:
Explanation:
Given that,
Wavelength, 
We need to find the frequency of the violet light.
We know that the relation between frequency and wavelength is given by :
So, the frequency of violet light is 
.
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Time = (displacement) / (magnitude of average velocity) .
Crystalline solids must have a specific, orderly arrangement of atoms to be considered so.
