Nature of Physical World and Measurement — Physics STD 11 — Question

A cylindrical tube, open at both ends has a fundamental frequency f in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of the air column is now …….

Moment of inertia of a uniform solid cylinder about an axis passing through the center and along the axis of the cylinder is –

Which of the following pairs does not have same dimension?

If two objects A and B are moving along a straight line in the opposite direction with the velocities VA and VB respectively, then relative velocity is-

The first law of thermodynamics is concerned with the conservation of ……

The ratio of the mean absolute error to the mean value is called as ……

A carnot engine operates with source at 127°C and sink at 27°C. If the source supplies 40 KJ of heat energy, the work done by the engine is

The angle friction θ is given by –

The range of distance can be measured by using direct methods is …..

Fundamental quantities can also be known as …… quantities.