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

  • Pykometer
  • Polygraph
  • Photometer
  • Periscope
Similar Questions :

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

  • Pykometer
  • Polygraph
  • Photometer
  • Periscope

2. The absorption of ink by blotting paper involves

  • capillary action phenomenon
  • viscosity of ink
  • siphon action
  • diffusion of ink through the blotting

3. The rotational effect of a force on a body about an axis of rotation is described in terms of

  • Centre of gravity
  • Centripetal force
  • Centrifugal force
  • Moment of force

4. David Hughes invented

  • Machine Gun
  • Microphone
  • Microscope
  • Motorcycle

5. Alfred Nobel invented

  • X ray
  • Diesel Engine
  • Dynamite
  • Dynamo
Read more from - Physics Questions Answers
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