Physics A standing wave occurs when Two waves overlap A wave reflects upon itself The amplitude of a wave exceeds its wavelength The speed of the wave is zero or near zero Two waves overlap A wave reflects upon itself The amplitude of a wave exceeds its wavelength The speed of the wave is zero or near zero ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in Fahrenheit) pure water freezes? 48 37 32 48 37 32 ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Concave None of these Convex Plano-concave Concave None of these Convex Plano-concave ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Polarisation Interference Reflection Diffraction Polarisation Interference Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which has the lowest albedo? None of these Light surfaces Both A & B Dark surfaces None of these Light surfaces Both A & B Dark surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Ferromagnetic Paramagnetic Diamagnetic Non-magnetic Ferromagnetic Paramagnetic Diamagnetic Non-magnetic ANSWER DOWNLOAD EXAMIANS APP