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

A mercury barometer is placed in the mercury trough in a way that the angle made with the vertical is 60°. Find the height of mercury column.

Is simple harmonic motion always linear?

The earth moving round the sun in circular orbit is acted upon by a force and hence work must be done on the earth by the force. Explain.

Is the phenomenon of beats observable in case of two light waves of nearly equal frequencies?

A driver wearing an electronic digital watch goes down into sea water with terminal velocity v. How will the time in the water proof watch be affected?

What is the distance between a compression and its nearest rarefaction in a longitudinal wave?

Moment of inertia of uniform circular disc about a diameter is I. What is the moment of inertia about an axis perpendicular to its plane and passing through a point on its rim?

If velocity of light c, Planck’s constant h and gravitational contant G are taken as fundamental quantities then express mass, length and time in terms of dimensions of these quantities.