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QAIPM-2015-Ph-1267: NEET 2015 Physics - Class 12 AIPM-2015-Ph-1267 Solution: Light of wavelength 500 nm is incident on a metal with work…

Light of wavelength 500 nm is incident on a metal with work function 2.28 eV. The de Broglie wavelength of the emitted electron is ≥2.8×10−9 m\ge 2.8 \times 10^{-9}\ \text{m} ≤2.8×10−12 m\le 2.8 \times 10^{-12}\ \text{m} <2.8×10−10 m< 2.8 \times 10^{-10}\ \text{m} <2.8×10−9 m< 2.8 \times 10^{-9}\ \text{m}

Multiple Choice Options

  • A ≥\ge � 2.8 ×\times _ 10 −- _ 9 m
  • B ≤\le � 2.8 ×\times _ 10 −- _ 12 m
  • C < 2.8 ×\times _ 10 −- _ 10 m
  • D < 2.8 ×\times _ 10 −- _ 9 m

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