Mechanical Physics MCQ question and answer with solution | Physics Gk MCQs

What is the relative density equal to-

Ice floats on water because its density-

The density of water will reach its maximum value at the temperature of

While floating in a sea what part of an iceberg is above the surface of the sea?

Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that, density of gold is greater than that of silver),

Consider the following statements.
1. At any point inside the liquid the pressure exerted by the liquid is directly proportional to its depth from the free surface.
2. At every point and in every direction, the pressure exerted inside the liquid at rest is same.
Which of the statement(s) given above is/are correct?

If the liquid level falls in a capillary then radius of capillary will

Object floats on water based on-

Consider the following statements.
1. SI unit of atmospheric pressure is Nm^-2 or pascal and CGS unit is dyne/cm².
2. The barometer is a device by which the atmospheric pressure is measured.
3. The standard atmospheric pressure is the pressure required of 76 cm of Hg column or 760 mm of Hg column, which is equivalent to 1 atm.
Which of the statements given above is/are correct?

What is the density of water-