Notes
Law of Density…
Law of Density – If l, T and D are constants, then frequency of vibration of stretched string (f) is inversely proportional to the square root of the density of wire.
[∵ f = n/2l√T/μ = n/2l√TIA/MA = n/2l√4T/ρ D2 π ]
i.e. f ∝ 1/√ρ
Subscribe to our youtube channel!
Staying up to date on Question/Notes related to General knowledge, current affairs and are useful in Academic and Government Exams. More than 8000 video on our channel.
Subscribe