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A deuteron and an alpha-particle are pla...

A deuteron and an `alpha`-particle are placed in an electric field.The forces acting on them are `F_(1)` and `F_(2)` and their accelerations are `a_(1)` and `a_(2)` respectively.
(i) `F_(1) = F_(2)`
(ii) `F_(1) != F_(2)`
(iii) `a_(1) = a_(2)`
(iv) `a_(1) != a_(2)`

A

(i), (ii)

B

(ii), (iii)

C

(ii), (iv)

D

(i), (iv)

Text Solution

Verified by Experts

The correct Answer is:
B
Deutron (e, 2m), `alpha`-particle (2e, 4m)
`F_(1)=eE, F_(2)=2eE`
`a_(1)=(eE)/(2m) , a_(2)=(2eE)/(4m) =(eE)/(2m)`
`F_(1) ne F_(2), a_(1)=a_(2)`
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