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figure shows two holes in a wide tank co...

figure shows two holes in a wide tank containing a liquid common. The water streams coming out of these holes strike the ground at the same point. The heigth of liquid column in the tank is

A

`10cm`

B

`8cm`

C

`9.8 cm`

D

`980 cm`

Text Solution

Verified by Experts

The correct Answer is:
A
Range `R = 2 sqrt(h(H-h))`
`R_(1) = R_(2) implies 2sqrt(h_(1)(H-h_(1))) = 2sqrt(h_(2)(H-h_(2)))`
`4(H-4)=6(H-6)`
or `2H = 36-16 = 20or H = 10cm`.
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