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Alexander Graham Bell invented

  • Telephone
  • Telescope
  • Television
  • Tank

Answer: Option A

Explanation:

Alexander Graham Bell of USA invented Telephone in 1876,

Telescope was invented by Hans Lippershey of Netherlands in 1608,

Television was invented by John Logie Bared of Scotland in 1926,

Tank was invented by Sir Ernest Swington of England in 1914.

Similar Questions :

1. When a body is immersed partly or wholly in a liquid, there is an apparent loss in weight of the body which is equal to the weight of liquid displaced by the body.

  • True
  • False

Answer: Option A

Explanation:

TRUE, it is Archimedes Principle.

2. 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.

3. newton is used to measure

  • Speed
  • Volume
  • Force
  • Area

Answer: Option C

4. Atmospheric pressure is measured by

  • Tonometer
  • Pyrometer
  • Barometer
  • Thermometer

Answer: Option C

5. 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.

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