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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Physics > Chapter 14 - Waves > A hydraulic automobile lift is designed to lift cars with a maximum mass of 3000Kg. The area of cross section of the piston carrying the load is 425 cm^2. What maximum pressures would the smaller piston have to bear?

A hydraulic automobile lift is designed to lift cars with a maximum mass of 3000Kg. The area of cross section of the piston carrying the load is 425 cm^2. What maximum pressures would the smaller piston have to bear?

2 loops 3 loops and 4 loops Show that when a string fixed at its two ends vibrates in 1 loop the frequencies are in the ratio 1 : 2 : 3 : 4.