Laws of Motion — Physics STD 11 Science — Question

What is the Bulk modulus for a perfect rigid body?

Why does a girl have to lean towards right when carrying a bag in her left hand?

If air is blow speedily below a pan of a balance of physical balance what would be the effect on its balance?

Find the area bounded under the curve y = 3x² + 6x + 7 and the X-axis with the ordinates at x = 5 and x = 10.

Show that the internal energy of the air (treated as an ideal gas) contained in a room remains constant as the temperature changes between day and night. Assume that the atmospheric pressure around remains constant and the air in the room maintains this pressure by communicating with the surrounding through the windows, doors, etc.

The average speed of a snail is 0.020 miles/hour and that of a leopard is 70 miles/hour. Convert these speeds in SI units.

Find the time required to liberate 1.0 litre of hydrogen at STP in an electrolytic cell by a current of 5.0A.

What is meant by 'superheated water' and 'super cooled vapour'? Do these states of water lie on its P-V-T surface? Give some practical applications of these states of water.

A barometer tube is 80cm long (above the mercury reservoir). It reads 76cm on a particular day. A small amount of water is introduced in the tube and the reading drops to 75.4cm. Find the relative humidity in the space above the mercury column if the saturation vapour pressure at the room temperature is 1.0cm.

Necessary condition for sustained interference write down.