RACIASSES
PHYSICS
1. Two different waves are propagating in a given
medium. Their frequencies are 30Hz and 20Hz
respectively. Fine out the ratio of their wavelengths.
(a) 1:2
(b) 2:3
(c) 3:4
(c) 4:5
Answers
Answered by
1
Explanation:
let wavelength be W and frequency be F
F inversely proportional to W
W1/W2 = F2/F1
= 20/30
= 2:3 is Ur answer
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