The value of escape velocity of a certain planet is `sqrt(2)`km/s .Then the value of orbital speed for a satellite orbiting closer to its surface is
(A) 2km/s (B) 1km/s (C) `sqrt(2)`km/s (D) 2`sqrt(2)`km/s

The value of escape speed from certain planet is 4 km/s. What will be the orbital speed of a satellite orbiting close to its surface ?

The value of escape speed from certain planet is 4 km/s. What will be the orbital speed of a satellite orbiting close to its surface ?

Maximum value of |z+1+i|, where z in S is (a) sqrt(2) (b) 2 (c) 2sqrt(2) (d) 3sqrt(2)

The escape velocity from the earth is about 11 km/s. The escape velocity from a planet having twice the radius and the twice mean density as the earth, is

The escape Velocity from the earth is 11.2 Km//s . The escape Velocity from a planet having twice the radius and the same mean density as the earth, is :

What are the values of the orbital angular momentum of an electron in the orbitals 1s,3s,3d and 2p :-

Five molecules of a gas have speeds 1, 1, 3, 3, 2 km/s the value of the r.m.s spreed of the gas molecules is

Four molecules of gas have speeds 1,2,3 and 4 km//s .The value of the root mean square speed of the gas molecules is

Escape velocity at earth's surface is 11.2km//s . Escape velocity at the surface of a planet having mass 100 times and radius 4 times that of earth will be

A circle S of radius ' a ' is the director circle of another circle S_1,S_1 is the director circle of circle S_2 and so on. If the sum of the radii of all these circle is 2, then the value of ' a ' is (a) 2+sqrt(2) (b) 2-1/(sqrt(2)) (c) 2-sqrt(2) (d) 2+1/(sqrt(2))