Question Text
Question 3 :
In our solar system , the inner-planetary region has chunks of matter ( much smaller in size compared to planets) called asteroids . they
Question 5 :
The earth's satellite is moving round the earth in a circular orbit. Which of the following are true regarding the satellite?<br>$1$. Its speed is constant<br>$2$. Its velocity is constant<br>$3$. Its angular momentum is constant<br>$4$. Its gravitational pull is balanced by the centrifugal force<br>
Question 9 :
For a GPS navigation to track a mobile device, we use :-
Question 14 :
In which of the following orbits are the TV broadcasting satellites placed?
Question 15 :
The part of a meteor which reaches the earth's surface is called a
Question 18 :
Plates of Earth move apart from each other due to :