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P-1 Gravitation · Maharashtra Board STD 10 (MSBSHSE - English Medium). 41 questions.

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41 questions · timed · auto-graded

Question 31 Mark
Compete the analogy :
Kinetic energy : $\frac{1}{2} mv ^2$ : : Potential energy : __________.
Answer
$\frac{-G M m}{R+h}$
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Question 41 Mark
Compete the analogy :
Shape of the Earth at equator : Bulged : : Shape of the Earth at poles : __________.
Answer
Flattened
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Question 71 Mark
Compete the analogy :
Orbit of the space shuttle : $8.7 \ m/s^2 : :$ Communication satellite : __________.
Answer
$0.225 \ m/s^2$
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Question 81 Mark
Complete the analogy :
$6 \times 10^{24} \ kg$ : Mass of the Earth
$6.4 \times 10^6 \ m$ : ______________.
Answer
Radius of the Earth
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Question 91 Mark
Compete the analogy :
Shape of the Earth at equator : Bulged : : Shape of the Earth at poles : __________.
Answer
Flattened
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Question 101 Mark
Compete the analogy :
Orbit of the space shuttle : 8.7m/s2 : : Communication satellite : __________.
Answer
0.225m/s2
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Question 121 Mark
Compete the analogy :
Kinetic energy : $\frac{1}{2} mv ^2$ : : Potential energy : __________.
Answer
$\frac{-G M m}{R+h}$
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Question 161 Mark
Compete the analogy :
6 x 1024 kg : Mass of the Earth : : 6.4 x 106 m : __________.
Answer
Radius of the Earth
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Question 191 Mark
True or False : The gravitational acceleration does not become zero at the centre of the Earth.
Answer
False
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Question 201 Mark
True or False : The force towards the centre of the circular orbit is called centripetal force.
Answer
True
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Question 221 Mark
True or False : Gravitational force at the Moon is double than the Earth's gravitational force.
Answer
False
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Question 271 Mark
True or False : At the height of 'h' from the ground, the gravitational potential energy is $\frac{- GMm }{ R + h }$.
Answer
True
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Question 331 Mark
Find An Odd One Out : Newton's first law, Newton's law of gravity, Newton's third law, Newton's second law
Answer
Newton's law of gravity. Other are related to law of motion.
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Question 341 Mark
Find An Odd One Out : Newton, Ohm, Kepler, Galileo
Answer
Ohm. Others are concerned with laws of gravity.
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Question 351 Mark
Find An Odd One Out : Mass, potential energy, radius, weight
Answer
Weight. It is vector, while others are scalars.
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Question 361 Mark
Find An Odd One Out : Light, sound, heat, laws of planetary motion
Answer
Law of planetary motion. Others are related to Newton.
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Question 371 Mark
Find An Odd One Out : Change in value of 'g' at surface, change in value of 'g' at height, change in value of 'g' at depth, change in value of 'g' on thickness
Answer
Change in value of 'g' on thickness. Others are related factors to the value of 'g'.
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Question 381 Mark
Find An Odd One Out : Acceleration, mass, force, weight
Answer
Mass - It is scalar, while others are vectors.
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Question 391 Mark
Find An Odd One Out : 9.83 m/s2, 9.8 m/s2, 980 cm/s2, 9.77 m/s2
Answer
980 cm/s2 .Others are values of g in MKS.
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Question 401 Mark
Find An Odd One Out : 9.83 m/s2, 98.3 m/s2, 983 m/s, 98.03 m2s
Answer
9.83 m/s2. Others are not values of 'g'.
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Question 411 Mark
Find An Odd One Out : 983 cm/s2, 977 cm/s2, 980 cm/s2, 9.83 m/s2
Answer
9.83 m/s2. Others are in CGS system.
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