Physics

WBCS Main Physics Question Paper – 2023 1. A television (TV) transmission is an example of which type of transmission ? (A) Simplex(B) Half-duplex(C) Full-duplex(D) Bidirectional 2. When light is refracted, which of the following does not change ? (A) Wavelength(B) Frequency(C) Velocity(D) Amplitude 3. A soap bubble is given a negative charge, then its…