An astrophysicist detects a high-energy gamma-ray photon emitted during a distant supernova event. The photon has a frequency of 3.3×1020 Hz3.3 \times 10^{20}\text{ Hz}3.3×1020 Hz.
What is the magnitude of the momentum of this photon?
6.0×10−46 kg m s−16.0 \times 10^{-46}\text{ kg m s}^{-1}6.0×10−46 kg m s−1
2.4×10−30 kg m s−12.4 \times 10^{-30}\text{ kg m s}^{-1}2.4×10−30 kg m s−1
7.3×10−22 kg m s−17.3 \times 10^{-22}\text{ kg m s}^{-1}7.3×10−22 kg m s−1
2.2×10−13 kg m s−12.2 \times 10^{-13}\text{ kg m s}^{-1}2.2×10−13 kg m s−1
31 exam-style questions on AQA A Level Physics Electromagnetic radiation and quantum phenomena, covering The photoelectric effect, Collisions of electrons with atoms, Energy levels and photon emission, and Wave-particle duality. Each one has a worked solution and a mark scheme showing where the marks go.