TS EAMCET 5-Aug-2021 Shift 2 Question Paper

Section: Physics

Question : 115 of 160

Marks: +1, -0

A light bulb of power 100 W is placed at the centre of a hollow sphere of radius 10 cm. If the 66 % of the energy is converted into light, then the pressure exerted by the light on the surface of the sphere will be
(Assume the surface of sphere to be perfectly absorbing)

1.0×10−5 N/m2
1.5×10−7 N/m2
1.75×10−6 N/m2
7.5×10−5 N/m2

Validate

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