Questions ย
A beaker of radius ๐ is filled with water (refractive index) up to a height ๐ป as shown in the figure on the left. The beaker is kept on a horizontal table rotating with angular speed ๐. This makes the water surface curved so that the difference in the height of water level at the center and at the circumference of the beaker is โ (โโช๐ป,โโช๐), as shown in the figure on the right. Take this surface to be approximately spherical with a radius of curvature ๐ . Which of the following is/are correct? (g is the acceleration due to gravity)
detailed solution
Correct option is A
In ฮOABR2=(Rโh)2+r2R2=R2โ2hR+h2+r2โ2hR=h2+r2โR=h2+r22h Given, h<Talk to our academic expert!
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