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A proton and an alpha-particle are situa...

A proton and an `alpha`-particle are situated at r distance apart. At very large distance apart (when released) the K.E. of `alpha`-particle will be

A

`2Ke^2//5r`

B

`Ke^2//2r`

C

`5Ke^2//3r`

D

`3Ke^2//5r`

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PATHFINDER-ELECTROSTATICS-I, II AND III-QUESTION BANK
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  2. Two (-ve) charge, each of magnitude q are situated at 2r distance apar...

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  3. A proton and an alpha-particle are situated at r distance apart. At ve...

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  4. A charge Q is distributed over two concentric hollow spheres of radius...

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  5. Two equal -ve charges -q are fixed at the points (0, a) and (0, -a) on...

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  6. Two particles of masses m and 2m with charges 2q and 2q are placed in ...

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  7. The work done required to put the four charges together at the comers ...

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  8. A charge Q is placed at each of the two opposite corners of a square, ...

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  9. A parallel plate capacitor is connected across a 2V battery and charge...

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  10. Three capacitors of capacitances 3muF,9muF and 18muF are connected onc...

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  11. A capacitor of capacitance 1muF withstands a maximum voltage of 6kV, w...

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  12. The effective capacitance between A and B in the figure shown is (all ...

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  13. Four capacitors with capacitances C1=1muF,C2=1.5muF,C3=2.5muF and C4 =...

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  14. Four identical capacitors are connected in series with a 10V battery a...

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  15. The capacities of three capacitors are in the ratio 1 : 2 : 3. Their e...

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  16. Between the plates of a parallel plate capacitor of capacity C, two pa...

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  17. There are two charges +1 microcoulombs and +5 microcoulombs. The ra...

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  18. A charge q1 exerts some force on a second charge q2. If third charge ...

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  19. Two charges q1 and q2 are placed in vacuum at a distance d and the f...

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  20. Four charges are arranged at the corners of a square ABCD, as shown in...

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