GravitationUniversal Law of Gravitation (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 10  14 of 21
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Question number: 10
» Gravitation » Universal Law of Gravitation
Question
A particle is suspended from a spring and it stretches the spring by 1 cm on the surface of earth. The same particle will stretches the same spring at a place 800 km above earth surface by 
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 11
» Gravitation » Universal Law of Gravitation
Question
Three particles of equal mass m are situated at the vertices of an equilateral triangle of side l. What should be the velocity of each particle, so that they move on a circular path without changing l?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 12
» Gravitation » Universal Law of Gravitation
Question
What is the mass of the planet that has a satellite whose time period is T and orbital radius is r?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 13
» Gravitation » Universal Law of Gravitation
Question
A particle is suspended from a spring and it stretches the spring by 2 cm on the surface of earth. The same particle will stretches the same spring at a place 600 km above earth surface by 
Choices
Choice (4)  Response  

a.  0.95 cm 

b.  1.35 cm 

c.  1.67 cm 

d.  1.8 cm 

Question number: 14
» Gravitation » Universal Law of Gravitation
Question
The gravitational force between two point masses m _{1} and m _{2} at separation r is given by
The constant k doesn’t
(1) Depend on medium between masses
(2) Depend on the place
(3) Depend on time
(4) Depend on system of units
Select the correct answers and mark it according to the following codes:
Choices
Choice (4)  Response  

a.  1 and 2 are correct 

b.  1, 2 and 3 are correct 

c.  2 and 4 are correct 

d.  1 and 3 are correct 
