1:   Which instrument is used to see distance object clearly
Options:
  1. electric motor
  2. D.C. generator
  3. telescope
  4. microscope

Answer: Option 3

Explanation:

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2:   Which instrument is used to see a clear and large image of an small object
Options:
  1. electric motor
  2. D.C. generator
  3. telescope
  4. microscope

Answer: Option 4

Explanation:

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3:   The device which converts mechanical energy into electric energy is
Options:
  1. electric motor
  2. D.C. generator
  3. telescope
  4. microscope

Answer: Option 2

Explanation:

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4:   The device which converts electric energy into mechanical energy is
Options:
  1. electric motor
  2. D.C. generator
  3. telescope
  4. microscope

Answer: Option 1

Explanation:

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5:   A particle on earth's surface is given a velocity equal to its escape velocity. Its total mechanical energy will be
Options:
  1. negative
  2. positive
  3. zero
  4. infinite

Answer: Option 1

Explanation:

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6:   An electric pump is used to fill an overhead tank of capacity 9 cubic m at a height of 10m above the ground. If the pump takes 5 min to fill the tank by consuming 10 KW power the efficiency of the pump should be
Options:
  1. 60%
  2. 40%
  3. 20%
  4. 30%

Answer: Option 4

Explanation:

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7:   A particle of mass 100g is thrown vertically upwards with a speed of 5 m/s. The work done by the force of gravity during the time the particle does up is
Options:
  1. -0.5 J
  2. -1.25 J
  3. 1.25 J
  4. 0.5 J

Answer: Option 2

Explanation:

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8:   Qilantity / Qijantities remaining constant in a collision is /are
Options:
  1. momentum, KE and temperature
  2. momentum but not KE and temperature
  3. KE and temperature but not momentum
  4. none of these

Answer: Option 2

Explanation:

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9:   In elastic collision, the quantity conserved is
Options:
  1. only KE
  2. only P
  3. KE and p both
  4. KE and L

Answer: Option 3

Explanation:

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10:   Einstein mass-energy relation is
Options:
  1. E=mc^2
  2. E=mv
  3. E=FS
  4. E=m/C^2

Answer: Option 1

Explanation:

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at your weakest, you end up showing more strength at your lowest, you are suddenly lifted higher than you've ever been. They all border one another, these opposites and show how quickly we can be altered.
-Cecelia Ahern Thanks for the Memories