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Physics problems


  • 1. Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water

  • Options
  • A. increases to a great extent
  • B. increases slightly
  • C. decreases slightly
  • D. decreases rapidly
  • Discuss
  • 2. Radio waves sent out by a radio stations are reflected by

  • Options
  • A. troposphere
  • B. stratosphere
  • C. mesosphere
  • D. ionosphere
  • Discuss
  • 3. A series of fast moving still pictures can be made to appear as a moving picture because the eye

  • Options
  • A. can focus very rapidly as pictures change
  • B. is quicker than the brain
  • C. can see 2 images separated only if the interval betwen seeing them is more than one-tenth of a second
  • D. can shut out some of the light
  • Discuss
  • 4. An integrated circuit is more advantages than a coventional circuit because

  • Options
  • A. they make the electric equipments more reliable and easier for servicing
  • B. a faulty part of a conventional circuit may be difficult to locate and repair
  • C. if a part of the integrated circuit fails the entire circuit is simply replaced
  • D. all the above
  • Discuss
  • 5. A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated , it will

  • Options
  • A. remain straight
  • B. bend towards right
  • C. bend towards left
  • D. none of these
  • Discuss
  • 7. Which part of the flame is the hottest?

  • Options
  • A. Blue Zone
  • B. Luminous Zone
  • C. Dark Zone
  • D. Non - Luminous Zone
  • Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO, IT Trainer

  • Discuss
  • 8. Compressions and Rarefactions are characteristic of

  • Options
  • A. Longitudinal waves
  • B. Transverse waves
  • C. Both A & B
  • D. Neither of A & B
  • Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO

  • Discuss
  • 9. Which compound is a nonelectrolyte?

  • Options
  • A. C2H6O
  • B. HCl
  • C. Na2CO3
  • D. NaCl
  • Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO

  • Discuss
  • 10. Mirage is due to

  • Options
  • A. Magnetic disturbances in the atmosphere
  • B. Equal heating of different parts of the atmosphere
  • C. Unequal heating of different parts of the atmosphere
  • D. Depletion of ozone layer in the atmosphere
  • Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO

  • Discuss

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