MCQ & Online Test – Gravitation – NCERT Class 9 Science Chapter 10

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MCQ Gravitation - Universal Law of Gravitation
Universal Law of Gravitation

Online Test | MCQ Gravitation | NCERT Class 9 Science Chapter 10 | CBSE Syllabus

Every student of class 9 of NCERT/CBSE syllabus may take part this online test of NCERT Class 9 Science Chapter 10 MCQ Gravitation and verify his score to check preparedness

#1. An object is put one by one in three liquids having different densities. The object floats 1/9, 2/11 & 3/7 parts of their volumes outside the liquid surface in liquids of densities d1, d2, d3 respectively. Which of the following statement is correct?

#2. An object weighs 10 N in air. When immersed fully in water, it weighs only 8 N. The weight of the liquid displaced by the object will be

#3. The weight of a body felt in tap water & salty water are WA & WB respectively, then

#4. The value of acceleration due to gravity

#5. The value of quantity G in the law of gravitation

#6. Two objects of different masses falling freely near the surface of moon would

#7. A girl stands on a box having 60 cm length, 40 cm breadth & 20 cm width in three ways. In which of the following cases pressure exerted by the brick will be

#8. A boy is whirling a stone tied with a string in a horizontal circular path. If the string breaks, the stone

#9. The force of attraction between two-unit point masses separated by a unit distance is called

#10. The gravitational force between two objects is F. If masses of both objects are halved without changing the distance between them, then the gravitational force would become

#11. The atmosphere is held to the Earth by

#12. An apple falls from a tree because of gravitational attraction between the Earth & apple. If F1 is the magnitude of force exerted by the Earth on the apple & F2 is the magnitude of force exerted by apple on Earth, then

#13. In the relation F=GMm/d2, the quantity G

#14. Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be

#15. What will be the weight of an object at the Centre of the Earth of radius R

#16. As per law of gravitation, the gravitational force acts between



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