(A) Equal
(B) Half
(C) Approximately equal
(D) Nearly equal
Absolute uncertainty in a measuring instrument is equal to?
(A) Accuracy
(B) Least count
(C) Percentage uncertainty
(D) Fractional uncertainty
For total assessment of uncertainty in the final result obtained by multiplication we add?
(A) Fractional uncertainty
(B) Absolute uncertainty
(C) Percentage uncertainty
(D) Errors
The minimum initial velocity which is given to a body to enable it to escape out of?
(A) Angular velocity
(B) Terminal velocity
(C) Orbital velocity
(D) Escape velocity
The ratio between orbital and escape velocities is?
(A) 1/√2
(B) √2
(C) 1
(D) 2
The ratio between escape and orbital velocities is?
(A) 1/√2
(B) √2
(C) 1
(D) 2
The escape velocity of a body on the surface of earth 11.2 km/s. The escape velocity on the surface of another planet of same mass as that of earth but of ¼ times of the radius of the earth is?
(A) 5.6 km/s
(B) 11 km/s
(C) 22.4 km/s
(D) 44 km/s
Escape velocity of a body of mass 1000 Kg is 11 km/s. If the mass of the body is double then its escape velocity will be?
(A) 5.5 km/s
(B) 11 km/s
(C) 22 km/s
(D) 44 km/s