Modern Physics - SS1 Physics Past Questions and Answers - page 2

The energy levels are continuous and can take any value.

The energy levels are discrete and quantized.

The energy levels are constant and do not change.

Only wave-like properties.

Only particle-like properties.

Both wave-like and particle-like properties.

It is impossible to know both the position and velocity of a particle simultaneously with perfect accuracy.

The energy of a particle can never be determined exactly.

The wavelength and frequency of a wave are inversely proportional.

Wavelength.

Frequency.

Amplitude.

Energy can take any value within a continuous range.

Energy is limited to certain discrete values.

Energy is conserved in all physical processes.

emission of light by a heated object

emission of electrons from a metal surface when exposed to light

scattering of light by small particles

intensity of the incident light

wavelength of the incident light

polarisation of the incident light

electrons

photons

protons