HARD
11th Tamil Nadu Board
IMPORTANT
Earn 100

Obtain an expression for the excess of pressure inside a liquid bubble.

Important Questions on Properties of Matter

EASY
11th Tamil Nadu Board
IMPORTANT
Consider two wires X and Y. The radius of wire X is 3 times the radius of Y. If they are stretched by the same load then the stress on Y is:
MEDIUM
11th Tamil Nadu Board
IMPORTANT
What is capillarity? Obtain an expression for the surface tension of a liquid by capillary rise method.
HARD
11th Tamil Nadu Board
IMPORTANT
Obtain an equation of continuity for a flow of fluid on the basis of conservation of mass.
HARD
11th Tamil Nadu Board
IMPORTANT
State and prove Bernoulli’s theorem for a flow of incompressible, non-viscous, and streamlined flow of fluid.
HARD
11th Tamil Nadu Board
IMPORTANT
Describe the construction and working of  venturimeter and obtain an equation for the volume of liquid flowing per second through a wider entry of the tube.
EASY
11th Tamil Nadu Board
IMPORTANT
A capillary of diameter d mm is dipped in water such that the water rises to a height of 30 mm. If the radius of the capillary is made 23rd of its previous value, then compute the height(in mm) up to which water will rise in the new capillary? 
MEDIUM
11th Tamil Nadu Board
IMPORTANT
A block of Ag of mass x kg hanging from a string is immersed in a liquid of relative density 0.72. If the relative density of Ag is 10 and tension in the string is 37.12 N then compute the mass of Ag block. (in kg)
MEDIUM
11th Tamil Nadu Board
IMPORTANT
The reading of pressure meter attached with a closed pipe is 5×105 N/m2. On opening the valve of the pipe, the reading of the pressure meter is 4.5×105 N/m2. Calculate the speed of the water flowing in the pipe.