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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
(964)
Difficulty Level: Easy
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Topics: Structure of Atom
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Subject: Chemistry
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Aniline is treated with a mixture of sodium nitrite and hypophosphorus acid,
- Shape of Fe(CO)₅ is
- At 298 K the enthalpy of formation of liquid water is -285.9 kJ/mol
- When ethanol is subjected to dehydration in presence of H₂SO₄, the
- What is the [OH⁻] in the final solution prepared by mixing 20 mL of 0.05 M Hcl
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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