Physical Quantities and Measurement

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Across
  1. 2. Which will have low density? Iron or wool
  2. 4. The curved surface of liquid
  3. 8. The distance travelled by a moving body in a unit time is known as _____.
  4. 11. According to which scientist no object can more faster than the speed of light.
  5. 12. The area of _________ surfaces can be found by using graph paper.
Down
  1. 1. Dimensions of equal substances may differ for equal _______.
  2. 3. 19300 is the density of that object in kg/m cube
  3. 5. Water and alcohol forms _______meniscus.
  4. 6. M/V is the formula to find _______.
  5. 7. S x S is the formula to find the area of ______.
  6. 8. SI unit of time: ________
  7. 9. At 4 degree celcius, pure water reaches its _______ density.
  8. 10. _____________ method is used to find the volume of irregular solids like stone or pebble.