Units and Measurements — Physics STD 11 Science — Question

Three containers have different area on the top surface and same base area. If equal volume of a liquid is put in them which will have more pressure at its base?

What is the angle between the equatorial plane and the orbital plane of Polar satel lite?

Is earth an inertial frame of reference?

A body is acted upon by a number of external forces. Can it remain at rest?

Are inertial and gravitational mass of a body different from one another?

An experimenter measures the length of a rod. Initially the experimenter and the rod are at rest with respect to the lab. Consider the following statements:

1. If the rod starts moving parallel to its length but the observer stays at rest, the measured length will be reduced.
2. If the rod stays at rest but the observer starts moving parallel to the measured length of the rod, the length will be reduced.

Inertia of a body is proportional to its ______.

Which type of waves exhibit polarisation?

Write the names of the main parts of Carnot engine.

For what is the unit of light year?