A diver under water looks obliquely at a fisherman s†an ding on the bank of lake ? Will the fisherman appear taller or shorter to diver ? G

Open in App

Solution

Suggest Corrections

Similar questions

Q. 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?

Q. Consider the following assertion and reason and choose the correct option.
Assertion: When a diver under water, looks obliquely at a fisherman standing on the bank of a lake, then fisher man looks taller.
Reason: When a ray of light travelling in air enters water, it bends toward normal.

Q. A fisherman is standing on the bank of a lake. To a fish underwater viewing obliquely the man looks:

Q. 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?

Q. A diver from inside water (

μ_{w a t e r} = 1.33

) looks at an object which is placed in air and whose natural colour is green. Then colour of object seen by diver will be :

Join BYJU'S Learning Program