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List of top Physics Questions on Units, Dimensions and Measurements

The Power \( P \) radiated from an accelerated charged particle is given by \( P \propto \left( \frac{q a}{c^n} \right)^m \), where \( q \) is the charge, \( a \) is the acceleration, and \( c \) is the speed of light in vacuum. From dimensional analysis, the value of \( m \) and \( n \) respectively are:
  • WBJEE - 2024
  • WBJEE
  • Physics
  • Units, Dimensions and Measurements

In a Vernier caliper, \(N+1\)  divisions of vernier scale coincide with  \(N\) divisions of main scale. If 1 MSD represents 0.1 mm, the vernier constant (in cm) is:

  • NEET (UG) - 2024
  • NEET (UG)
  • Physics
  • Units, Dimensions and Measurements
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