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Related Questions

  1. The total radiant energy per unit area, normal to the direction of incidence
  2. A black body radiates 20 W at temperature 227⁰C. It temperature of the black body
  3. A beam of light contains two wavelengths 6500Å and 5200Å.
  4. A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.
  5. In a thermodynamic system, working substance is ideal gas. Its internal energy