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

Which of the following statement is untrue? The velocity of sound in a gas …….

Moment of inertia of a thin hollow sphere about an axis passing through the edge along its tangent is –

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

Principle of moments is –

If a raindrop with a mass of 0.05 g falls with constant velocity, the retarding force of atmospheric friction is (neglect density of air) …….

Moment of inertia of a uniform solid sphere about an axis passing through the edge along its tangent is –

If the velocity of separation is equal to the velocity of approach, then the collision is

A simple harmonic oscillator has amplitude A and time period T. Its maximum speed is …….

Bernoulli’s theorem is applicable to ………