JAMB Physics 2007 Objective — Question 9
Question 9 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2007 Objective paper, with the correct answer and a full explanation.
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The energy E of a photon and its wavelength are related by E(lambda) = X. The numerical value of X is [h=6.63x10^-34 Js, c=3x10^8ms-1]
- A. 1.99x10^-27
- B. 6.60x10^-26
- C. 1.99x10^-25Correct
- D. 6.60x10^-34
Explanation
E(lambda) = hc = 6.63x10^-34 x 3x10^8 = 1.99x10^-25.
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