Question

There is small air bubble inside a glass sphere (μ=1.5)of radius 5cm. The bubble is at 'O′at 7.5cm below the surface of the glass. The sphere is placed inside water (μ=4/3)such that the top surface of glass is 10cm below the surface of water. The bubble is viewed normally from air. Find the apperent depth of the bubble. 
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Answer 1

Answer:

O′at 7.5cm below the surface of the glass. The sphere is placed inside water (μ=4/3)such that the top surface of glass is 10cm below

Explanation:

2'4 + 15

= 2(3+², torni

64²

= 6x2 2

- 24 radicinisec

6. The rotations of rigid body is defined by the equation

0 -2.5