A charged particle (of charge q and mass m) is projected with velocity v1k^ at a point R as shown. Electric and magnetic fields in the region are E0k^ and B0j^ respectively. respectively. Velocity at another point S in the region is -v2i^ . Choose the correct alternate.

W = ∆K or, E0q x b = 12m v22-v12 or, 2 E0q x b = m v22-v12

A charged particle (of charge q and mass m) is projected with velocity v1k^ at a point R as shown. Electric and magnetic fields in the region are E0k^ and B0j^ respectively. respectively. Velocity at another point S in the region is -v2i^ . Choose the correct alternate.

W = ∆K or, E0q x b = 12m v22-v12 or, 2 E0q x b = m v22-v12

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A charged particle (of charge q and mass m) is projected with velocity $v_{1} \hat{k}$ at a point R as shown. Electric and magnetic fields in the region are $E_{0} \hat{k}$ and $B_{0} \hat{j}$ respectively. respectively. Velocity at another point S in the region is $- v_{2} \hat{i}$ . Choose the correct alternate.

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$2 q E_{0} b = m ({v_{1}}^{2} - {v_{2}}^{2})$

$2 q E_{0} a = m ({v_{2}}^{2} - {v_{1}}^{2})$

$2 q E_{0} b = m ({v_{2}}^{2} - {v_{1}}^{2})$

$2 q E_{0} a = m ({v_{1}}^{2} - {v_{2}}^{2})$

answer is C.

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$W = ∆ K o r, E_{0} q x b = \frac{1}{2} m ({v_{2}}^{2} - {v_{1}}^{2}) o r, 2 E_{0} q x b = m ({v_{2}}^{2} - {v_{1}}^{2})$

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A charged particle (of charge q and mass m) is projected with velocity v1k^ at a point R as shown. Electric and magnetic fields in the region are E0k^ and B0j^ respectively. respectively. Velocity at another point S in the region is -v2i^ . Choose the correct alternate.

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