1.

A pulse travelling on a string is represented by the function y =a^(2)/((x-vt)^(2) + a^(2)) where a =5 mmv = 20 cm/s where the maximum of pulse is located at t = 0, Is and 2s. Take x = 0 in the middle of the string

Answer»

x = 0, 20 cm and 40 cm
x = 20 m, 40 cm and 60 cm
x = 10 m, 20 cm and 30 cm
x = 4cm,.10 cm and 15 cm

Answer :A


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