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Related Questions

  1. Which of the following will be σ if Y=2.4 η?
  2. Photoelectric emision occurs only when the incident light has more than a certain minimum
  3. In an ac circuit an alternating voltage e = 200 √2 sin 100 t volts is connected
  4. The root mean square speed of oxygen molecule (O₂) at a certain temperature is v.
  5. A ball rolls off the top of stair way with a horizontal velocity of magnitude 1.8 m/s