Class VIII

Which instrument is used to measure pressure?
  1. Saccharimeter
  2. Ammeter
  3. Manometer
  4. Lactometer
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
How many Ergs are these in 1 Joule?
  1. 102
  2. 104
  3. 106
  4. 107
The unit of energy in MKS system is
  1. Volt
  2. Erg
  3. Ohm
  4. Joule
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