Class X

 In 1960, system for measuring physical quantities was established, known as
  1. System international
  2. International system of units
  3. System international units
  4. Both a and b
 Distance travelled by light is called
  1. Second
  2. Candela
  3. Meter
  4. Kelvin
 Mass of 700 N man moving in car at 66 km h-1 is
  1. 70 kg
  2. 100 kg
  3. Zero
  4. Infinite
Zero digit is only digit that
  1. Maybe significant
  2. May not be significant
  3. Is significant
  4. Both a and b
 If charge of 1 C produces potential difference of 1 V, then it will be equivalent to
  1. 1 nano
  2. 1 pico
  3. 1 micro
  4. 1 Farad
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