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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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Subject: Chemistry
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Boron is unable to form BF₆³⁻ because of
- In a period, the elements are arranged in strict sequence of
- If the hydrogen ion concentration of an acid decreases 10 times, its pH value
- The angular momentum of electron in ‘d’ orbital is equal to
- Syngas is a mixture of
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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