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Physics problems


  • 1. Every hot object emits _________________

  • Options
  • A. X - rays
  • B. Visible light
  • C. Infrared rays
  • D. Ultraviolet rays
  • Also asked in: Bank Exams

  • Discuss
  • 2. Ozone protects biosphere from ___________

  • Options
  • A. X - rays
  • B. Gamma rays
  • C. Ultraviolet rays
  • D. Infrared rays
  • Also asked in: Bank Exams

  • Discuss
  • 3. Which one of the following takes place during a nuclear fusion?

  • Options
  • A. a heavy nucleus bombarded by neutrons breaks up
  • B. a heavy nucleus breaks up spontaneously
  • C. two light nuclei combine to form a heavy nucleus
  • D. a light nucleus breaks up spontaneously
  • Also asked in: Bank Exams

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  • 4. The frictional force exerted by fluids is also called ________.

  • Options
  • A. drag
  • B. buoyancy
  • C. upthrust
  • D. convection
  • Also asked in: Bank Exams

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  • 5. If the force applied on the object is in the direction of its motion, the speed of the object __________.

  • Options
  • A. increases
  • B. stops
  • C. decreases
  • D. no effect
  • Also asked in: Bank Exams

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  • 6. An image formed by a concave mirror on a screen is called __________?

  • Options
  • A. Virtual image
  • B. Real image
  • C. Inverted image
  • D. Erect image
  • Also asked in: Bank Exams

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  • 7. _______ optical data storage is a technology where data is stored in multiple layers in the optical disc.

  • Options
  • A. 3D
  • B. 30D
  • C. 300D
  • D. 3000D
  • Also asked in: Bank Exams

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  • 8. What is the SI unit of pressure?

  • Options
  • A. Newton
  • B. Weber
  • C. Pascal
  • D. Henry
  • Also asked in: Bank Exams

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  • 9. Sudden fall in the barometric reading is an indication of _______.

  • Options
  • A. Storm
  • B. Scorching heat
  • C. Rain
  • D. Clear weather
  • Also asked in: Bank Exams

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  • 10. Find the resistance (in mega ?) of a wire of length 8 m, cross sectional area 2 sq.cm and made of a material of resistivity 120 ?m.

  • Options
  • A. 1920
  • B. 4.8
  • C. 2.4
  • D. 960
  • Also asked in: Bank Exams

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