Physics
Propagation of sound can be visualised as propagation of ________ variations in the medium

Elasticity
Viscosity
Density
Porosity

ANSWER DOWNLOAD EXAMIANS APP

Physics
Indicate the false statement about the resistance of a wire

Resistance of metallic wire increases with increase in temperature
It is directly proportional to the area of cross-section of wire
It is directly proportional to the length of wire
It depends on material of wire

ANSWER DOWNLOAD EXAMIANS APP

Physics
Kinetic energy depends on

Both mass and velocity of the moving body
The mass of the moving body
The pressure of the moving body
The velocity or speed of the moving body.

ANSWER DOWNLOAD EXAMIANS APP