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

Explanation:

Sorry, No description available.

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

Explanation:

Sorry, No description available.

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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

Explanation:

Sorry, No description available.

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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

Explanation:

Sorry, No description available.

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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

Explanation:

Sorry, No description available.

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6:   If the radius of earth is reduced by 1%, the escape velocity will be ----------
Options:
4. remains the same

Explanation:

decreased by about 0.5% Discuss this in Forums

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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

Explanation:

Sorry, No description available.

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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

Explanation:

Sorry, No description available.

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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

Explanation:

Sorry, No description available.

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

Explanation:

Sorry, No description available.

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