Gravitation What are the names of the two Moons of the Mars?
(1) Titan and Sheron
(2) Titan and Demos
(3) Phobos and Demos
(4) Sheron and Phobos
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Gravitation How many planets are there in our solar system
(1) 5
(2) 7
(3) 9
(4) 8
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Gravitation The earth rotates about the sun in an elliptical orbit. At which point is
velocity maximum?
1) At A
2) At B
3) At C
4) At D
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Gravitation The mass of an object is 10 Kg on earth. So we can say -
(1) Its weight on earth Is 10 N.
(2) Its weight on eart h is 1. 67 N.
(3) Its weight on moon is 10 N.
(4) Its mass on moon is 10 Kq.
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Gravitation The first Astronaut in space was -
(1) H.G. Wales
(2) Neel Armstrong
(3) Uri Gagarin
(4) Robert Godai
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Gravitation A planet had density P, radius R and acceleration due to gravity as g. If
the radius of the planet were double keeping the density same, the acceleration
due to gravity at the surface will be :
(1) 4g
(2) 2g
(3) g
(4) g/2
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
