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The relationship between enthalpy and in...

The relationship between enthalpy and internal energy change is

A

m g cos `theta`

B

m g sin `theta`

C

`(m g)/(cos theta)`

D

`(mg)/(sin theta)`

Text Solution

Verified by Experts

The correct Answer is:
c

Balancing forces on sphere N `cos theta =mg`
`rarr N= (mg)/(cos theta)`
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