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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-Steve Maraboli Unapologetically You: Reflections on Life and the Human Experience