Question Answers

Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A space 2.5 cm wide between two large plane surfaces is filled with oil. Force required to drag a very thin plate of area 0.5 m ^ 2 just midway the surfaces at a speed of 0.5 m/sec is 1 N. The coefficient of viscosity in kg s/m^ 2 is:

A space 2.5 cm wide between two large plane surfaces is filled with oil. Force required to drag a very thin plate of area 0.5 m ^ 2 just midway the surfaces at a speed of 0.5 m/sec is 1 N. The coefficient of viscosity in kg s/m^ 2 is:

each of radius 2 mm fall through aiir at a terminal velocity of 8 cm/s. If they coalesce to form a single drop n drops of water then the terminal velocity of the combined drop is 32 cm/s. Find n.