GravitationOrbital Velocity of a Satellite (NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics): Questions 1  5 of 8
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Question number: 1
» Gravitation » Orbital Velocity of a Satellite
Question
A satellite has to revolve round the earth in a circular orbit of radius 8 ⨯ 10 ^{3} km. The velocity of projection of the satellite in this orbit will be 
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 2
» Gravitation » Orbital Velocity of a Satellite
Question
A satellite is revolving in an orbit close to the earth’s surface. Taking the radius of the earth as 6.4 ⨯ 10 ^{6} meter, the value of the orbital speed and the period of revolution of the satellite will respectively be (g = 9.8 meter/sec ^{2})
Choices
Choice (4)  Response  

a.  7.2 km/sec, 8.6 minutes 

b.  7.2 km/sec, 84.6 minutes 

c.  0.72 km/sec, 84.6 minutes 

d.  2.7 km/sec, 8.6 minutes 

Question number: 3
» Gravitation » Orbital Velocity of a Satellite
Question
A satellite is revolving in an orbit close to the earth’s surface. Taking the radius of the earth as 5.8 ⨯ 10 ^{6} meter, the value of the orbital speed and the period of revolution of the satellite will respectively be (g = 9.8 meter/sec ^{2})
Choices
Choice (4)  Response  

a.  7.5 km/sec, 8.0 minutes 

b.  2.7 km/sec, 8.51 minutes 

c.  7.75 km/sec, 80.51 minutes 

d.  7.5 km/sec, 80.51 minutes 

Question number: 4
» Gravitation » Orbital Velocity of a Satellite
Question
A satellite has to revolve round the earth in a circular orbit of radius 6 ⨯ 10 ^{3} km. The velocity of projection of the satellite in this orbit will be 
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 5
» Gravitation » Orbital Velocity of a Satellite
Assertion (Ꭺ)
The speed of revolution of an artificial satellite revolving very near the earth is 8 kms ^{1}.
Reason (Ꭱ)
Orbital velocity of a satellite, become independent of height of near satellite.
Choices
Choice (4)  Response  

a.  Ꭺ is true but Ꭱ is false 

b.  Both Ꭺ and Ꭱ are false 

c.  Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ 

d.  Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ 
