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What is unit of Viscosity ?

  • coulomb
  • newton second per square meter
  • watt per meter per degree celcius
  • joule per kilogram per Kelvin

Answer: Option B

Explanation:

coulomb is unit of Electric Charge,

watt per meter per degree celcius is unit of Thermal Conductivity,
joule per kilogram per Kelvin is unit of Specific Heat capacity.

Similar Questions :

1. Radian is used to measure

  • Temperature
  • Intensity of Flame
  • Angle
  • Solid Angle

Answer: Option C

Explanation:

Kelvin is used to measure Temperature,

Candela is used to measure Intensity of flame,

Steredian is used to measure Solid Angle.

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

  • True
  • False

Answer: Option A

3. Which of following in not a property of cathode ray.

  • Cathode rays are invisible and travel in a straight line.
  • These rays can ionise gases.
  • These rays can penetrate through thin metal foils.
  • These rays make materials cool on which they fall.

Answer: Option D

Explanation:

These rays heat the materials on which they fall.

4. radian per second is unit of

  • Momentum
  • Moment of Inertia
  • Frequency
  • Angle Velocity

Answer: Option D

Explanation:

unit of Momentum is kilogram meter per second,

unit of Moment of Inertia is kilogram square meter,

unit of frequency is Hertz.

5. Which are the primary Colours ?

  • Yellow, Green, Blue
  • Red, Magenta, Blue
  • Red, Green, White
  • Red, Green, Blue

Answer: Option D

Explanation:

Red, Green, Blue are primary colours. All the colours can be produced by them by mixing in different proportions. Interesting :)

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