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A cylinderical vessel of 90 cm height is...

A cylinderical vessel of 90 cm height is kept filles upto the brim. It has four holes 1, 2, 3 and 4 which are respectively at height of 20 cm, 30 cm, 40 cm and 50 cm from the horizontal floor PQ. The water falling at the maximum horizontal distance from the vessel comes from

A

hole `1`

B

hole `2`

C

hole `3`

D

hole `4`

Text Solution

Verified by Experts

The correct Answer is:
C, D
`R=2sqrt(hh')`
`R` would be maximum if `hh'` is maximum
a `hh'=70xx20=1400`
b. `hh'=60xx30=1800`
c. `hh'=50xx40=2000`
d. `hh'=40xx50=2000`
Clearly, the liquid coming out from holes `3` and `4` would fall at maximum horizontal distance.
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