1:   If radius of earth contracts by 1% while mass remains same, the value of g on the surface of earth will be
Options:
  1. 1% increase
  2. unchanged
  3. 1% decrease
  4. 2% increase

Answer: Option 4

Explanation:

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2:   Maximum value of g is
Options:
  1. on mountain
  2. on equator
  3. on poles
  4. in mines

Answer: Option 3

Explanation:

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3:   Radius of moon =1/4 radius of earth and mass of moon 1/80 of mass of earth, the value of g on moon will be
Options:
  1. gE/4
  2. gE/5
  3. gE/6
  4. gE/8

Answer: Option 2

Explanation:

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4:   The dimensions of G are
Options:
  1. ML-1T-2
  2. ML2T-3
  3. ML2T-2
  4. M-1L3T-2

Answer: Option 4

Explanation:

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5:   The value of G in MKS system is
Options:
  1. 6.67 X 10^-11 Nm2/kg2
  2. 0.667 X 10^-10 Nm2/kg2
  3. 66.7 X 10^-11 Nm2/kg2
  4. 667 X 10^-11 Nm2/kg2

Answer: Option 1

Explanation:

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6:   If the radius of earth is reduced by 1%, the escape velocity will be ----------
Options:
  1. decreased by about 1%
  2. increased by about 0.5%
  3. increased by about 1%
  4. remains the same

Answer: Option 2

Explanation:

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7:   An inclined plane makes an angle 30 degree with the horizontal.A solid sphere rolling down this inclined plane from rest without slipping has a linear acceleration equal to ----
Options:
  1. g/3
  2. 2g/3
  3. 5g/7
  4. 5g/14

Answer: Option 4

Explanation:

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8:   A diver in a swimming pool bends his head before diving ,because it---------
Options:
  1. decrease his angular velocity
  2. increase his moment of inertia
  3. decrease his moment of inertia
  4. all of the above

Answer: Option 3

Explanation:

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9:   An orbiting satellite has --------
Options:
  1. only kinetic energy
  2. only potential energy
  3. no energy
  4. kinetic and potential energy

Answer: Option 4

Explanation:

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10:   Unit of gravitational potential is --------
Options:
  1. Joule
  2. Joule kilogram
  3. both of the above
  4. Joule/kilogram

Answer: Option 4

Explanation:

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I always cheer up immensely if an attack is particularly wounding because I think, well, if they attack one personally, it means they have not a single political argument left.
-Margaret Thatcher