Asked by Nisha

the number of waves of wavelength 6000 angstrom in a path of 2 cm in vacuum are

Answers

Answered by Steve correction
how many cm in 6000 angstroms?
Then just divide into 2
Answered by bobpursley
number of wavelength= distance trversed/wavlength= .02m/(6e3*10^-19m)=3.33..e13 waves
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