The branch of physics, concerned with the behavior of physical bodies
Optics
Mechanics
Dynamics
Relativity
Gases become conductors at
Very low pressures and high electric potentials
Very high pressures and high electric potentials
Very high pressures and low electric potentials
Never
Roentgen discovered
α - Rays
β - Rays
γ- Rays
X- Rays
The cathode rays have sufficient amount of
Potential energy
Kinetic energy
Electrical energy
Gravitational energy
The term 'Modern Physics' means
New physics
Old physics
Up-to-date Physics
All the above
X-Rays donot show
Refraction
Rectilinear propagation
Ionisation
Penetration
The cathode rays are deflected by a magnetic field. This shows that
Cathode rays consist of electrodes
Cathode rays consist of water vapor
Cathode rays consist of electricity
Cathode rays consist of particles
X-Rays are similar to
Light waves
Sound waves
Electromagnetic waves
Radio waves
The treatment of malignant cancers uses
X-Rays
Alpha Rays
Beta Rays
Gamma Rays
A discharge tube is useful in the study of
Conduction of electricity through solids
Conduction of electricity through liquids
Conduction of electricity through gases
Conduction of electricity through plastic
