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  1. The interferance pattern is obtained with two coherent light sources of intensity
  2. The magnetic field in a certain region of space is given by B =8.35×10⁻² Î T.
  3. A black body at 227⁰C radiates heat at the rate of 7cals/cm²s. At a temperature
  4. A rocket is fired upward from the earth surface such that it creates an acceleration
  5. Which one of the following electrical meter has the smallest resistance?