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Physics Past Questions and Answers

Jamb 2013 Physics Questions

Question 46:
The particle nature of light is demonstrated by the
  • A Photoelectric effect
  • B Speed of light
  • C Colours of light
  • D Diffraction of light
View Answer & Explanation
Question 47:
The energy of a photo having a wavelength of 10-10m is
(h= 6.63 x 10 -34Js, c =3.0 x 10 8ms-1)
  • A 2.0 x 10 <sup style='font-size: smaller;'>-15</sup>J
  • B 1.7 x 10 <sup style='font-size: smaller;'>-13</sup>J
  • C 2.0 x 10 <sup style='font-size: smaller;'>-12</sup>J
  • D 1.7 x 10 <sup style='font-size: smaller;'>-12</sup>J
View Answer & Explanation