Distinguish between heat and temperature .

Distinguish between heat and temperature.

Distinguish clearly between forward biasing and reverse biasing of a diode.

Which special characteristic of ligth is demonstrated only by the phenomenon of polarisation?Distinguihs clearly between linearly polarised light and unpolarised light.

Distinguish between heat and work, and justify the statement that heat and work are interrelated.

Explain the construction and various operations for a carnot's heat engine working between two temperatures. Hence, derive from it the efficiency of the engine.

Give the relation between temperature co-efficient of resistivity (sigma) and resistivity at different temperature.

What is the relation between pressure P and density rho of a gas at constant temperature?

Is it possible to increase the temperature of a gas without adding heat from outside ?

Is it possible to increase the temperature of the gas without adding heat to it? Explain.