Physics Test 07

Total Questions: 20

1 - Value of 'g' with altitude becomes ____

A ) Decrease ✅
B ) Increase
C ) Same
D ) Both a and b

2 - The value of 'g' at sun is

A ) 274.2ms-² ✅
B ) 3.7ms-²
C ) 8.87ms-²
D ) 1.62ms-²

3 - The value of 'g' at moon is

A ) 274.2 ms-²
B ) 3.7ms-²
C ) 8.87ms-²
D ) 1.62ms-² ✅

4 - Value of 'g' at mercury is

A ) 274.2ms-²
B ) 3.7ms-² ✅
C ) 8.87ms-²
D ) 1.62ms-²

5 - Value of 'g' at Venus is

A ) 274.2ms-²
B ) 3.7ms-²
C ) 8.87ms-² ✅
D ) 1.62ms-²

6 - The value of 'g' at marikh is

A ) 274.2ms-²
B ) 3.73ms-² ✅
C ) 8.87ms-²
D ) 1.62ms-²

7 - The value of 'g' at mushtari is

A ) 274.2ms-²
B ) 3.7ms-²
C ) 25.94 ms-² ✅
D ) 1.62ms-²

8 - An object that revolves around the planet is called ____

A ) Satellite ✅
B ) Star
C ) Artificial satellite
D ) None of these

9 - Moon is the natural satellite of ____

A ) Mars
B ) Sun
C ) Mercury
D ) Earth ✅

10 - Earth completes its cycle about its axis in _____

A ) 24 days
B ) 24 Years
C ) 24 Month
D ) 24 hours ✅

11 - Speed of geo stationary satellite with respect to earth is ____

A ) Double
B ) Three times
C ) Zero ✅
D ) Four times

12 - Abriviation of global positioning system is

A ) GPS ✅
B ) PGS
C ) SGP
D ) PSG

13 - GPS consists of ____ satellite.

A ) 10
B ) 24 ✅
C ) 25
D ) 26

15 - Speed of satellite of GPS is

A ) 3.7Kms-¹
B ) 3.78Kms-¹
C ) 3.87Kms-¹ ✅
D ) 3.97kms-¹

16 - The distance b/w moon and the earth is

A ) 3.8× 10⁴km
B ) 3.8× 10⁵km ✅
C ) 3.8 × 10⁶km
D ) 3.8 × 10⁷km

17 - Formula of orbit speed is

A ) Vo = √gh( R+h) ✅
B ) Vo = √gR
C ) Vo = √ ghR
D ) Vo= √g(R+h)

18 - Formula of speed of the satellite revolving in the orbit nearest to earth is

A ) Vo = √ gh( R+h)
B ) Vo = √ gR ✅
C ) Vo =√ghR
D ) Vo = √ g (R+h)

19 - Speed of the satellite revolving in the orbit nearest to earth is

A ) 8kms-¹
B ) 8000ms-¹
C ) 2900kmh-¹
D ) All

20 - The value of g increases with

A ) By increasing mass
B ) By increasing height
C ) Decreasing height ✅
D ) None of these