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hardMCQNEET (UG) 20182026Physics
1 mark

If the mass of the Sun were ten times smaller and the universal gravitational constant () were ten times larger in magnitude, which of the following is not correct?

  1. A
    Time period of a simple pendulum on the Earth would decrease
  2. B
    Walking on the ground would become more difficult
  3. C
    Raindrops will fall faster
  4. D
    ' ' on the Earth will not change

Solution & Step-by-step Explanation

1. Acceleration due to gravity on Earth .2. If becomes , then becomes . Statement D is incorrect.3. . If increases, decreases (Statement A is correct).4. Since increases, weight () increases, making walking more difficult and objects (raindrops) fall with greater acceleration (Statements B and C are correct).

Practice this question

Try it yourself before checking the explanation above.

If the mass of the Sun were ten times smaller and the universal gravitational constant () were ten times larger in magnitude, which of the following is not correct?
A
Time period of a simple pendulum on the Earth would decrease
B
Walking on the ground would become more difficult
C
Raindrops will fall faster
D
' ' on the Earth will not change

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