Which of the following is optical illusion?
A). Rainbow
B). Earthshine
C). Halo
D). Mirage
Mirage
A mirage is a naturally occurring optical illusion or phenomenon in which light rays are bent due to refraction in layers of air of varying density. The image usually is upside down, enhancing the illusion that the sky image seen in the distance is really a water or oil puddle acting as a mirror.
1. If an object is thrown upwards, what will be its velocity, when it reaches its maximum height?
2. What Is the full form of AM regarding radio broadcasting?
3. If an electron and a photon have the same wavelength, then they will have the same
4. The sudden fall of atmospheric pressure indicates
5. To an observer on thearth the stars appear to twinkle. This can be described to
7. Electric power is measured in units of
8. Which best describes how air moves during convection?
9. What is the other name of Galileo's law of falling bodies?