A solid cone is placed on a horizontal surface with height ' h ' and radius ' R '. Its apex angle is ' \theta '. To change the position of the cone from figure (A) to figure (B), no work is required, then

JEE Advanced 2020 Full Test 5 Paper 1

Question : 2 of 54

Marks: +1, -0

A solid cone is placed on a horizontal surface with height ' h ' and radius ' R '. Its apex angle is ' θ '. To change the position of the cone from figure (A) to figure (B), no work is required, then

θ=sin−1(‌
1
3
)
θ=‌
π
4
‌
h
R
=1
‌
h
R
=2√2

Validate

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