Modern Physics Quiz

Photoelectric effect supports:

Einstein equation:

Work function φ is:

Threshold frequency f0:

Stopping potential related by:

de Broglie wavelength:

Bohr model angular momentum:

Hydrogen energy levels:

Photon energy:

Radioactive decay law:

Half-life T½ =:

Activity A =:

α particle is:

β⁻ particle is:

γ ray is:

Nuclear binding energy from:

Fusion is:

Fission is:

1 amu energy equivalent ~:

Heisenberg uncertainty:

Rydberg formula for H:

Lyman series ends in:

Balmer series ends in:

Planck's constant h ≈:

Photon momentum:

Compton effect shows:

Pair production needs photon energy ≥:

Atomic number Z is:

Mass number A =:

Isotopes have same:

Neutrino associated with:

Controlled fission used in:

Solar energy primarily from:

Cathode rays are:

e/m of electron measured by:

Rutherford atom has:

Quantization of charge:

Wave-particle duality applies to:

Ground state H electron energy:

Ionization energy H:

Laser acronym related to:

Spontaneous emission is:

Stimulated emission gives:

X-rays produced by:

Blackbody radiation explained by:

UV catastrophe resolved by:

Work function unit:

Stopping potential depends on:

Intensity affects photoelectric:

Nuclear force is:

Photon λ=400 nm. Energy ≈:

Photon λ=410 nm. Energy ≈:

Photon λ=420 nm. Energy ≈:

Photon λ=430 nm. Energy ≈:

Photon λ=440 nm. Energy ≈:

Photon λ=450 nm. Energy ≈:

Photon λ=460 nm. Energy ≈:

Photon λ=470 nm. Energy ≈:

Photon λ=480 nm. Energy ≈:

Photon λ=490 nm. Energy ≈:

Photon λ=500 nm. Energy ≈:

Photon λ=510 nm. Energy ≈:

Photon λ=520 nm. Energy ≈:

Photon λ=530 nm. Energy ≈:

Photon λ=540 nm. Energy ≈:

H atom level n=5. Energy:

H atom level n=2. Energy:

H atom level n=3. Energy:

H atom level n=4. Energy:

H atom level n=5. Energy:

H atom level n=2. Energy:

H atom level n=3. Energy:

H atom level n=4. Energy:

H atom level n=5. Energy:

H atom level n=2. Energy:

H atom level n=3. Energy:

H atom level n=4. Energy:

H atom level n=5. Energy:

H atom level n=2. Energy:

H atom level n=3. Energy:

Half-life 2 h. Fraction left after 4 h:

Half-life 2 h. Fraction left after 6 h:

Half-life 2 h. Fraction left after 8 h:

Half-life 2 h. Fraction left after 4 h:

Half-life 2 h. Fraction left after 6 h:

Half-life 2 h. Fraction left after 8 h:

Half-life 2 h. Fraction left after 4 h:

Half-life 2 h. Fraction left after 6 h:

Half-life 2 h. Fraction left after 8 h:

Half-life 2 h. Fraction left after 4 h:

Electron accelerated by 150 V. de Broglie λ ≈:

Electron accelerated by 150 V. de Broglie λ ≈:

Electron accelerated by 150 V. de Broglie λ ≈:

Electron accelerated by 150 V. de Broglie λ ≈:

Electron accelerated by 150 V. de Broglie λ ≈:

Electron accelerated by 150 V. de Broglie λ ≈:

Electron accelerated by 150 V. de Broglie λ ≈:

Electron accelerated by 150 V. de Broglie λ ≈:

Electron accelerated by 150 V. de Broglie λ ≈:

Electron accelerated by 150 V. de Broglie λ ≈: