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Which is true

  • In a static liquid at same horizontal level, pressure is more at centre
  • In a static liquid at same horizontal level, pressure is less at centre.
  • In a static liquid at same horizontal level, pressure is same at all points
  • In a static liquid at same horizontal level, pressure is different at all points

Answer: Option C

Similar Questions :

1. The angle of reflection is equal to the angle of incidence.

  • True
  • False

Answer: Option A

2. Which instrument is used in submarine to see the objects above sea level ?

  • Pykometer
  • Polygraph
  • Photometer
  • Periscope

Answer: Option D

Explanation:

Pykometer - used to determine the density and coefficient of expansion of liquids,

Polygraph - used to record changes in heartbeat, blood-pressure and respiration,

Photometer - used to compare luminous intensity of the source of light.

3. unit of Pressure is

  • newton second
  • pascal
  • watt
  • newton per meter

Answer: Option B

Explanation:

newton second is unit of impulse,

watt is unit of Power,

newton per meter is unit of Surface Tension.

4. Light year is a unit of

  • Time
  • Light
  • Distance
  • Intensity of light

Answer: Option C

5. Force of attraction between the molecules of different substances is called

  • Surface tension
  • Cohensive force
  • Adhesive force
  • None of above

Answer: Option C

Explanation:

Cohensive force - Force of attraction between the molecules of same substance is called Cohensive force.

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