Physics

  1. A steam engine converts heat energy into
    (A) Electrical energy
    (B) Mechanical energy
    (C) Chemical energy
    (D) None of these
  2. Show Answer (B) Mechanical energy

  3. The Headquarters of International Atomic Energy Agency(IAEA) are situated at?
    (A) Vienna
    (B) Geneva
    (C) Rome
    (D) Paris

  4. Small drops of a liquid are spherical in shape because?
    (A) the surface energy is maximum for the spherical shape
    (B) for a given volume; the surface area of a sphere is maximum
    (C) the surface energy is minimum for the spherical shape
    (D) the earth attracts all the particles of the drop equally
  5. Show Answer (C) the surface energy is minimum for the spherical shape

  6. Energy generation in stars is mainly due to
    (A) Fusion of lighter nuclei
    (B) Chemical reaction
    (C) Fission reaction
    (D) None of these
  7. Show Answer (A) Fusion of lighter nuclei

  8. India’s first wave energy project is being set up at
    (A) Mangalore
    (B) Rameswaram
    (C) Mumbai
    (D) Vizhinjam
  9. Show Answer (D) Vizhinjam

  10. Joule second is the unit of?
    (A) Work
    (B) Power
    (C) Energy
    (D) Force

  11. Decibel is a unit of?
    (A) Atmospheric pressure
    (B) Force
    (C) Energy
    (D) Sound;

  12. The radiation with highest energy is
    (A) UV
    (B) IR
    (C) X-ray
    (D) Visible

  13. Which device converts electrical energy into mechanical energy?
    (A) Electric motor
    (B) Galvanometer
    (C) Ammeter
    (D) Dynamo
  14. Show Answer (A) Electric motor

  15. What should be given to an athlete for instant energy?
    (A) Vitamin
    (B) Carbohydrates
    (C) Protein
    (D) Fat
  16. Show Answer (B) Carbohydrates

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