Light and Radiation Quiz

Light is a form of which kind of radiation?

• Sound radiation

• Electromagnetic radiation

• Gravitational radiation

• Nuclear radiation

Which two characteristics does light possess?

• It is only a wave.

• It is only a particle.

• It has characteristics of both a wave and a particle.

• It has characteristics of neither a wave nor a particle.

Which term refers to the distance between two successive peaks of a wave?

• Radiation

• Frequency

• Amplitude

• Wavelength

What is the term for the smallest quantity of energy that can be emitted or absorbed as electromagnetic radiation?

• Photon

• Quantum

• Planck's constant

• Photoelectric effect

What is the name of the constant that is used to calculate the energy of a photon?

• Quantum

• Frequency

• Planck's constant

• Amplitude

What phenomenon occurs when electrons are emitted from a metal's surface when light of a certain frequency shines on it?

• Quantum

• Planck's constant

• Photoelectric effect

• Atomic emission spectrum

What term describes the range of all types of electromagnetic radiation?

• Electromagnetic spectrum

• Photon

• Amplitude

• Quantum

What does the wave model of light fail to explain?

• The speed of light in a vacuum

• The emission of certain frequencies of light by heated objects

• The constant amplitude of light waves

• The reflection of light on surfaces

What phenomenon involving metals cannot be explained by the wave model of light?

• Metals expanding when heated

• Metals conducting electricity

• Some metals emitting electrons when light of a specific frequency shines on them

• Metals changing color when exposed to light

Who began searching for an explanation of the phenomenon of light emission by heated objects in 1900?

• Albert Einstein

• Niels Bohr

• Max Planck

• Werner Heisenberg