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Velocity of the electron emitted by Li(Φ (work function) = 2.90 eV) of light of frequency 4.77x10¹5 S-1 is absorbed is (1 eV = 1.6 × 10-¹⁹) (a) 3.10 x 106 ms-¹ (b) 6.20 x 108 ms-¹ (c) 2.51×106 ms -¹ (d) 4.86x108 ms -1 |
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Answer» Velocity of the electron emitted by Li(Φ (work function) = 2.90 eV) of light of frequency 4.77x10¹5 S-1 is absorbed is (1 eV = 1.6 × 10-¹⁹) (a) 3.10 x 106 ms-¹ (b) 6.20 x 108 ms-¹ (c) 2.51×106 ms -¹ (d) 4.86x108 ms -1 |
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