PART - 2 CH - 9 Mechanical Properties of Fluids — Physics STD 11 Science — Question

For maximum horizontal range of an object, the angle of projection should be ................ .

Dimensional formulae of Young's modulus of elasticity is ______.

For a fluid in a steady flow, the increase in flow of speed at a constriction follows __________ .(conservation of mass/Bernoulli's principle)

Instantaneous acceleration of a particle moving along x-axis with displacement x = 18t + 5r²; is ______.

The first law of thermodynamics can be explained by the law of ____________.

First law of thermodynamics is just a restatement of the law of ­­________________.

Dimensional formula of power is………… .

The waves produced by a motor boat sailing in water are ______.

With increase in temperature, its viscosity of liquid is ____________but viscosity of gases is ____________