3. Observe the picture and answer the following
questions.
(a) What does the picture show?
(b) Explain its construction.
(c) From where was water brought in the tank?
Answers
Explanation:
h
Physics
Ray Optics and Optical Instruments
Total Internal Reflection
Answer the following questi...
PHYSICS
Answer the following questions:
(a) You have learnt that plane and convex mirrors produce virtual images of objects. Can they produce real images under some circumstances? Explain.
(b) A virtual image, we always say, cannot be caught on a screen. Yet when we see a virtual image, we are obviously bringing it on to the screen (i.e., the retina) of our eye. Is there a contradiction?
(c) A diver under water, looks obliquely at a fisherman standing on the bank of a lake. Would the fisherman look taller or shorter to the diver than what he actually is?
(d) Does the apparent depth of a tank of water change if viewed obliquely? If so, does the apparent depth increase or decrease?
(e) The refractive index of diamond is much greater than that of ordinary glass. Is this fact of some use to a diamond cutter?
Answer:
Tank
Explanation:
From tank water. Hh