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If the energy of a photon is given as : =3.03 × 10⁻¹⁹J then, the wavelength (λ) of the photon is :
Options
(a) 6.56 nm
(b) 65.6 nm
(c) 656 nm
(d) 0.656 nm
Correct Answer:
656 nm
Explanation:
The energy of photon, E = hc /λ = 3.03 x 10⁻¹⁹ ⇒ λ = (6.626 x 10⁻³⁴ x 3 x 10⁸) / 3.03 x 10⁻¹⁹= 656 nm
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Question Type: Memory
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Difficulty Level: Easy
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Topics: Structure of Atom
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following reaction(s) can be used for the preparation of alkyl halides?
- In the following change,KMnO₄ → MnO₂, the oxidation state of Mn changes as
- What is the value of electron gain enthalpy of Na+ if IE₁ of Na =5.1 eV ?
- A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
- The following quantum numbers are possible for how many orbital(s)
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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