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Calculate the energy in joule corresponding to light of wavelength 45nm.(Plank’s constant , h=6.63 ˣ 10⁻³⁴ Js, speed of light , c = 3 ˣ 10⁸ ms⁻¹)
Options
(a) 6.67 ˣ 10¹⁵
(b) 6.67 ˣ 10¹¹
(c) 4.42 ˣ 10⁻¹⁵
(d) 4.42 ˣ 10⁻¹⁸
Correct Answer:
4.42 ˣ 10⁻¹⁸
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- One mole of magnesium nitride on reaction with excess of water gives
- When enthalpy and entropy change for a chemical reaction are – 2.5 x 10³ cals
- Which has highest pH
- Diffusion of solvent through a semi permeable membrane is called
- What products are formed when the following compound is treated with Br₂
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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