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How much kinetic energy will be gained b...

How much kinetic energy will be gained by an `alpha-`particle in going from a point at `70 V` to another point at `50 V`

A

20 eV

B

20 MeV

C

40 eV

D

40 MeV

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-ELECTROSTATICS-Exercise -1 (Objective Problems | NEET)
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  8. Figure shows equi-potential surfaces for a two charges system. At whic...

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  9. A proton moves with a speed of 7.45xx10^(5) m//s dirctly towards a fre...

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  11. ABC is equilateral triangle of side 1m. Charges are placed at its corn...

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  12. In a region where E = 0, the potential (V) varies with distance r as -

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  13. Charges of +(10)/(3) xx 10^(-9) C are placed at each of the four corne...

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  14. Three charges 2q, -q, and -q are located at the vertices of an equilat...

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  15. Three equal charges are placed at the three corners of an isoscles tri...

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  16. The electric potential V at any point ( x,y, z) in space is given by V...

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  17. The electric potential V is givne as a function of distance x (metre) ...

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  18. A unifrom electric field having a magnitude E(0) and direction along t...

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  19. When a charge of 3 coulombs is placed in a uniform electric field, it ...

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  20. The potential difference between points A and B in the given uniform e...

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