Class VIII

The intensity of an earthquake is measured with a
  1. Barometer
  2. Hydrometer
  3. Polygraph
  4. Seismograph
Light year is related to
  1. Energy
  2. Speed
  3. Distance
  4. Intensity
How many Dynes are there in one gram weight?
  1. 900
  2. 375
  3. 981
  4. 250
Which of the following instruments is used to measure pressure of gases?
  1. Barometer
  2. Manometer
  3. Ammeter
  4. None of these
The unit of current is
  1. Ohm
  2. Watt
  3. Ampere
  4. None of these
Time Elapsed

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