physics problems : Micrometer screw, speed, nonius scale, density

DAILY TEST  PHYSICS
CLASS  X
1        Fill in blank

  1. The nonius scale of  calipers is………… ( mm)
  2. The nonius scale of micrometer screw gauge is……… (mm)
  3. Mass per unit volume is called…
  4. The volume of  a metal block that is measured  10 cm x 2 cm x 2 cm is……
  5.  The formula of desity is………..
  6. The change of velocity in unit time is called…
  7. A negative acceleration is also called………….
  8. What is speed?
  9. A vehicle  moving with a uniform  acceleration of 2 m/s2 has a velocity of 4 m/s at certain time. What will its velocity be 2 second later.?
  10. Umbra is……….
  11. Penumbra is…………
  12.  The law of reflection  state :
  13. Regular reflection is………..
  14. Diffuse reflection is……..
  15. Write down 2 example of regularly shaped solid
  16. Write down 2 example of irregularly shaped solid.
  17. Physics is………..
  18. Write down 3 example of instruments to measure lenght
  19.  What is the mass of 10 m3 of cement  of density 3000 kg/m3?
  20.  How to determine the volume of a regularly shaped solid
  21.  The mass of an irregularly shaped solid is mueasured by……..
  22. The mass of a regularly shaped solid is measured by……………..
  23. Do you know how to read the result of measuring of caliper?
  24. Do you know how to read the result of measuring of micrometer screw gauge?
  25. 0.084 cm3 = ………………………ml
  26. 0.5  m3 = ……………..cm3
  27. If the density of wood 0.5 g/cm3, what is the mass of  1 cm3
  28.  If the density of wood 0.5 g/cm3, what is the mass of  2 cm3
  29. If the density of wood 0.5 g/cm3, what is the mass of  10 cm3
  30.  0.5 gram/cm3 =……………………………. Kg/m3


2        Essay

11.  Look the figure below. What is the distance when it travels  until 8 second





22.  What is the reading on the micrometer  screw gauge in figure below


33.  What is the reading on the caliper in figure below.


44.  A pice of  steel has a volume of 12 cm3 and mass of 96 gram. What is its density in ( g/cm3)
55.  What is the mass of air in a room measuring  5m x 4m x 3m if  the density of air 1.3 kg/m3
6     A train increases its speed  steadly from 10 m/s to 20 m/s in 1 minute.
66. What is  its average speed during this time in  m/s?
7     A train increases its speed  steadly from 10 m/s to 20 m/s in 1 minute.
78. What is the acceleration during this time?
8.       A train increases its speed  steadly from 10 m/s to 20 m/s in 1 minute.
9. How far does it travel while increasing its speed.
9.       When a pebble is lowered into a measuring cylinder of water , the water level rises by 20 cm3 when the ball is completely submerged. If the ball weighs 10 gram in air. Find its density.
110.  Explain how to determine the volume of an irregularly shaped solid



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