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.

The energy levels are determined by the temperature of the surroundings.

Only wave-like properties.

Only particle-like properties.

Both wave-like and particle-like properties.

Neither wave-like nor 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.

The speed of light is constant in all reference frames.

Wavelength.

Frequency.

Amplitude.

Speed.

Energy can take any value within a continuous range.

Energy is limited to certain discrete values.

Energy is conserved in all physical processes.

Energy is independent of the properties of matter.

emission of light by a heated object

emission of electrons from a metal surface when exposed to light

scattering of light by small particles

reflection of light from a polished surface

intensity of the incident light

wavelength of the incident light

polarisation of the incident light

frequency of the incident light

electrons

photons

protons

neutrons