<span> 1) When light is passing from a denser medium to a lighter medium ( for eg: from water to air)
2) When the angle of refraction is greater than the critical angle( angle of incidence when the angle of refraction is perpendicular to the normal) of the denser medium. </span>
Answer:
physical material from which something is made or which has discrete existence
Explanation:
Answer:
Cool.
Explanation:
What's the question..? :|
Answer:
The approximate magnitude of the force of air resistance is 540 N.
Explanation: