Course Code phy306 Question When a red rose flower is observed in blue light, what colour does the observer see? Answer black Question A light wave has a wavelength of 500nm in air. The frequency of the wave is Answer 6.0 x1014Hz Question The combination of waves with different frequencies is known as Answer superposition Question The equation of wave travelling along the positive x-direction is given by y= 0.2sin (500t-20x).The amplitude and angular frequency of the wave are respectively given by Answer 0.2cm, 500rad/s Question The wavelength of signal from radio transmitter is 1500m and the frequency is 200 KHz.. What is the velocity of the propagation? Answer 3x108 m/s Question In microscope, the eyepiece lens merely acts as Answer a magnifier Question Interference in thin films results from Answer splitting of amplitude Question Coherent sources are sources of light which emit light of Answer same frequency Question Interference phenomenom occurs due to Answer overlapping waves form coherent sources Question The operation of an optical fibre is based on the principle of Answer refraction of light Try Another Search