Planck's Theory Past Year (2006 - 2015) MCQs Structure of Atom Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

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Calculate the energy in corresponding to light of wavelength 45 nm:
(Planck's constant h = 6.63 × 10^–34 Js: speed of light c = 3 × 10⁸ ms^–1)
1. 6.67 x 10¹⁵ J
2. 6.67 x 10¹¹ J
3. 4.42 x 10^-15 J
4. 4.42 x 10^-18 J

Subtopic: Planck's Theory |

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