The ratio of the height of the mountain and the depth of a mine, if a pendulum swings with the same period at the top of the mountain and at the botto

Question

The ratio of the height of the mountain and the depth of a mine, if a pendulum swings with the same period at the top of the mountain and at the botto

The ratio of the height of the mountain and the depth of a mine, if a pendulum swings with the same period at the top of the mountain and at the bottom of the mine is
A. `1 : 1`
B. `1 : 2`
C. `2 : 1`
D. `4 : 1`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`T_(n)=T_(d)`
`2pisqrt((l)/(g_(h)))=2pisqrt((l)/(g_(d)))`
`g_(h)=g_(d)`
`1-(2h)/(R)=1-(d)/(R)`
`2h=d`
`(h)/(d)=(1)/(2)`

5 views Answered 2023-02-05 15:29