Waves and Electromagnetic Radiation Questions and Answers Latest Version Already Passed

Waves and Electromagnetic Radiation Questions and Answers Latest Version Already Passed What type of wave requires a medium to travel? Mechanical wave What type of wave can travel through a vacuum? Electromagnetic wave What is the distance between two consecutive crests of a wave called? Wavelength Which property of a wave determines its loudness in sound waves? Amplitude What is the number of waves passing a point per second called? Frequency 2 What type of electromagnetic wave is used in radar technology? Microwaves Which electromagnetic wave is visible to the human eye? Visible light What type of wave is sound? Longitudinal wave What happens to the wavelength if the frequency of a wave increases? It decreases What is the bending of waves around obstacles called? Diffraction What is the change in direction of a wave when it enters a new medium called? Refraction 3 Which type of wave has oscillations perpendicular to the direction of propagation? Transverse wave What is the highest point of a transverse wave called? Crest What is the lowest point of a transverse wave called? Trough Which wave phenomenon explains echoes? Reflection What type of electromagnetic wave is used in night