A bird in air looks at a fish vertically


Asked by admin @ in Physics viewed by 300 People


a bird in air looks like a fish vertically below it and inside water in a tank. if the distances of the fish as estimated by the bird is S1 and that of the bird as estimated by the fish is S2 then the refractive index of liquid u is?

Answered by admin @



Explanation:

 1/f=(u-1)(2/R)

1/f=(1.5-1)(2/R)

1/f=0.5×2/R

f=R

since the object is at infinity therefore the image would be formed at focus.


Similar Questions

Does air pressure help the birds to fly how

Asked by admin @ in Science viewed by 304 persons

Does air pressure help the birds to fly ? How ?​

Essay on what the world looks like to a fish

Asked by admin @ in English viewed by 367 persons

What does the world look like to a fish?​

Which bird dives into water to catch fishes

Asked by admin @ in Science viewed by 260 persons

Which birds dives into water to catch fishes

Why do diving birds dive straight down to catch fish

Asked by admin @ in Physics viewed by 449 persons

Why do diving birds dive straight down to catch fish and how is this related to refraction

Overcoming fixed mindset: a step-by-step guide to cultivating a growth mindset

Asked by wiki @ in Health viewed by 1230 persons

Which of the following would best complete this list?

Asked by wiki @ in Social Studies viewed by 701 persons

What had the king decided to do before he saw the spider

Asked by vanshika149 @ in English viewed by 1089 persons

Describe the karez in your own words

Asked by rajesh064 @ in English viewed by 1249 persons

What is 8 + (x + 5)?

Asked by jaylord7 @ in Mathematics viewed by 1046 persons

What is the topic of the info grapher

Asked by jesus643 @ in History viewed by 1339 persons

Elephant kills 11 in nepal , woman rescued from a friendly dolphine

Asked by kavin044 @ in English viewed by 1215 persons

(-3,0);slope =2/3

Asked by timothy2 @ in Biology viewed by 1589 persons

Most viewed questions in Physics


Jeevandeep health and physical education std 10 answers pdf

Asked by admin @ in Physics viewed by 11063 persons


Hc verma physics class 9 solutions of describing motion

Asked by admin @ in Physics viewed by 2662 persons


How to leave nightmare land answer key

Asked by maham237 @ in Physics viewed by 1587 persons



Base area and stability of some objects with different shapes

Asked by admin @ in Physics viewed by 1522 persons


Which of the following statements about safe lifting are correct

Asked by admin @ in Physics viewed by 1508 persons


Porous water-absorbing mass of fibers

Asked by wiki @ in Physics viewed by 1487 persons



Absorption of water by filter paper is due to

Asked by admin @ in Physics viewed by 1428 persons


A composite wire of uniform diameter 3mm

Asked by admin @ in Physics viewed by 1397 persons


At a distance l 400m from the traffic light

Asked by admin @ in Physics viewed by 1313 persons



A rocket of mass m is launched straight up with thrust f⃗ thrust.

Asked by maham237 @ in Physics viewed by 1310 persons


Mind map for light reflection and refraction class 10

Asked by admin @ in Physics viewed by 1137 persons



A thief runs at a speed of 10m s

Asked by admin @ in Physics viewed by 1091 persons


A 5.8 x 10 4 watt elevator motor can lift

Asked by maham237 @ in Physics viewed by 1076 persons