Mechanical Properties of Fluids — Physics STD 11 Science — Question

The efficiency of a heat engine cannot be equal to that of a conventional engine.

Formula of speed of transverse wave is V =____________in stretched wire.

Device which converts continuously heat energy into mechanical energy in a cyclic process is known as _________.

In uniform circular motion, acceleration of object is directed toward ______.

Bernoulli's principle for streamline flow of fluid obeys law of _______________________.

The oscillations in which the amplitude decreases gradually with passage of time are called .

Fill in the blanks using the word (s) from the list appended with statement: Viscosity of gases . . . with temperature, whereas viscosity of liquids . . . with temperature. (increases/ decreases)

The time-velocity graph of a car is a straight line parallel to the time axis. Then accelerate will be ................ .

The apparent frequency in Doppler's effect does not depend upon _______.

Branch of science that deals with the nature and propagation of light _______.