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//Ex12_5 Pg-602
clc
disp("Fundamental frequency of oscillations of crystal")
disp(" fr = K/t")
disp("Let new thickness of the crystal be t''")
disp(" fr''/fr = t''/t = 99/100")
disp("So, new frequency fr'' = k/t''")
disp("or fr'' = (99/100)*fr")
disp("or reduction in frequency,")
disp(" fr-fr'' = fr-(99/100)*fr")
disp(" = fr(1/100)")
disp(" or fr-fr''/fr = 1/100 ")
disp(" Therefore, fr'' reduces by 1%")
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