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The photoelectric threshold wavelength of silver is3250 x 10-10 m. The velocity of the electronejected from a silver surface by ultraviolet light ofwavelength 2536 × 10-10 m is (Given h-4.14 ×10-15 eVs and c = 3 × 108 ms-1) [NEET-2017](1) 6 x 105 ms-1(2) 0.6 x 106 ms-1(3) 61 x 103 ms-1(4) 0.3 x 106 ms-1 |
Answer» sisty eight |
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