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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Physics > Chapter 14 - Waves > Glycerine flows steadily through a horizontal tube of length 1.5 cm and radius 1cm. If the amount of glycerine collected per second at one end is 4×10^−3kg/s. What is the pressure difference between the ends of the tube (Density of glycerine =1.3×10^3kg^−3 viscosity of glycerine – 0.83Pas)

Glycerine flows steadily through a horizontal tube of length 1.5 cm and radius 1cm. If the amount of glycerine collected per second at one end is 4×10^−3kg/s. What is the pressure difference between the ends of the tube (Density of glycerine =1.3×10^3kg^−3 viscosity of glycerine – 0.83Pas)

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.