Random Questions Part-3

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1)   Atmospheric layer farthest from earth surface

  • [A] Exosphere
  • [B] Ionoshpere
  • [C] Mesosphere
  • [D] Stratosphere

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Exosphere

2)   Fiber Optics works on the principle of

  • [A] Diffusion
  • [B] Refraction
  • [C] Regular Reflection
  • [D] Total Internal Reflection

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Total Internal Reflection

3)   Ozone layer serves as a protective shield against harmful

  • [A] Carbon di Oxide
  • [B] Sulphur Di Oxide
  • [C] Solar Infra Red Radiation
  • [D] Solar Ultravoilet Radiation

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Solar Ultravoilet Radiation

4)   When a gas is compressed

  • [A] Pressure increases and temperature decreases
  • [B] Both pressure and temperature decreases
  • [C] Both pressure and temperature increases
  • [D] None of the Above

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Both pressure and temperature increases

5)   Device used as amplifier

  • [A] Diode
  • [B] Transistor
  • [C] Transformer
  • [D] Resistor

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Transistor

6)   The device that converts computer output for the transmission over telephone lines is called

  • [A] Modem
  • [B] Interface
  • [C] Input / Output Port
  • [D] System Fan

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Modem

7)   Tides are caused by the gravitational pull of the

  • [A] Earth on the Moon
  • [B] Earth on the Sun
  • [C] Earth on Sun and Moon
  • [D] Sun on the Earth

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Earth on the Moon

8)   At magnetic poles the angel of dip is

  • [A] 0°
  • [B] 30°
  • [C] 45°
  • [D] 90°

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90°

9)   A man in a lift weights more , when the lift

  • [A] Accelerating up
  • [B] Accelerating down
  • [C] Is slowing down
  • [D] Is Descending freely

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Accelerating up

10)   Who is poplularly known as the "The Missile Man of India" ?

  • [A] APJ Abdul Kalam
  • [B] C.V. Raman
  • [C] Narendra Modi
  • [D] Hargovind Khurana

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APJ Abdul Kalam

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