Physics Quiz on Nuclear Concepts

Rutherford's alpha-particle scattering experiment led to the discovery of:

• Electrons

• Nucleus

• Neutrons

• Atomic number

The spectral lines of hydrogen in the Balmer series lie in the:

• Ultraviolet region

• Visible region

• Infrared region

• Microwave region

The radius of an atomic nucleus is proportional to:

• A

• A^(1/2)

• A^(1/3)

• A^2 (Where A is the mass number)

Isotopes have:

• Same number of protons but different number of neutrons

• Same number of neutrons but different number of protons

• Same 1 mass number but different atomic number

• Both a and c

Which of the following is not a property of nuclear forces?

• Short-ranged

• Strongest known force

• Charge-dependent

• Attractive

The binding energy per nucleon is maximum for:

• Hydrogen

• Iron

• Uranium

• Oxygen

Einstein's photoelectric equation is:

• E = mc^2

• E = hf

• KE = hf - Φ

• λ = h/p (Where KE is kinetic energy, h is Planck's constant, f is frequency, Φ is work function, λ is wavelength and p is momentum)

The work function of a metal is:

• The minimum frequency of light required to eject electrons

• The minimum energy of light required to eject electrons

• The maximum energy of light required to eject electrons

• The energy of an electron in the metal

Light behaves as a wave in:

• Photoelectric effect

• Compton scattering

• Interference and diffraction

• Atomic spectra

Light behaves as a particle in:

• Interference

• Diffraction

• Photoelectric effect

• Polarization