Science and Technology – Test Set 2
1. If an apple is released from an orbiting spaceship, it will
(a) fall towards the earth
(b) move of a lower speed
(c) move along with the spaceship at the same speed
(d) move at a higher speed
(more…)
Science and Technology – Test Set 1
1. Cryogenic engines are used in
(a) rockets and spacecrafts
(b) atomic reactors
(c) defrost refrigerators
(d) doing research connected with superconductivity.
Ans: (a)
(more…)