A rectangular plate of dimension `6 cm xx 4cm` and thickness `2mm` is placed with its largest face flat on the surface of water. Find the downward force on the plate due to surface tension. Surface tension of water is `7.0 xx 10^(-2)Nm^(-1)`.

A rectangular plate of dimensions 6cm xx 4 cm and thickness 2 mm is placed with its largest face flat on surface of water . (i) What is the downward force on the plate due to surface tension ? Surface tension of water =7.0 xx10^(-2) "Nm"^(-1) (ii) If the plate is placed vertical so that the longest side just touches the water surface, find the downward force on the plate.

A rectangular glass plate of dimensions 5 cm xx 4 cm is placed flat on the surface of water. Find the downward force on the plate due to surface tension. Given surface tension of water = 0.073 N m^(-1)

A rectangular glass plate of dimensions 5 cm xx 4 cm is placed flat on the surface of water. Find the downward force on the plate due to surface tension. Given surface tension of water = 0.073 N m^(-1)

A rectangular frame having dimensions "8 cm "xx " 4 cm " and width of 3 mm is initially placed with its largest face flat on water surface. Calculate the downward force acting on the frame due to surface tension of water ("Surface tension of water "= 7.2 xx 10^(-4)"Ncm"^(-1))

Calculate the pressue inside air bubble of diameter 0.2 mm situated just below the surface of water. Surface tension of water is 72 xx 10^(-3) Nm^(-1) .

The length of a rubber cord floating on water is 5 cm. The force needed to pull the cord out of water is ….N (surface tension of water is 7.2xx10^(-4)Nm^(-1) ).

The pressure inside an air bubble of radius 2 cm formed 20 cm below an open water surface is (Given surface tension of water = 70 xx 10^(-3) Nm^(-1) )

The pressure inside an air bubble of radius 2 cm formed 20 cm below an open water surface is (Given surface tension of water = 70 xx 10^(-3) Nm^(-1) )