E.2 (HL) Basic Quiz

Who proposed that light consists of particles called photons?

• Newton

• Bohr

• Planck

• Einstein

What is the term used to describe matter acting as both waves and particles?

• Duality principle

• Matter-wave principle

• Wave-particle duality

• Quantum effect

What is the equation representing the energy of a photon?

• E = mv^2

• E = hf

• E = mc^2

• E = h/λ

What is the phenomenon called when a particle passes through a potential barrier due to quantum effects?

• Tunnelling

• Absorption

• Deflection

• Reflection

Who developed a model for hydrogen that explained the emission and absorption spectra?

• Bohr

• Rutherford

• Planck

• Einstein

What is the law that represents the probability of decay of a nucleus per unit time?

• Newton's Law

• Law of Radioactive Decay

• Heisenberg's Law

• Bohr's Law

What is the name of the particle that balances the momentum in beta decay?

• Proton

• Electron

• Neutrino

• Positron

What is the minimum frequency below which no electrons are ejected in the photoelectric effect?

• Threshold frequency

• Critical frequency

• Resonance frequency

• Maximum frequency

What is the equation representing the relationship between momentum and wavelength of a particle?

• p = h/λ

• p = mv

• p = m/v

• p = hf

What is the property of a photon that is proportional to its frequency?

• Amplitude

• Energy

• Wavelength

• Speed