Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
A hydrogen balloon floats up because of:
Air pressure decreases with decrease in height.
Air pressure decreases with decrease in weight.
Weight of the balloon is less than the weight of air displaced by it.
The pressure inside the balloon is more than the pressure outside it.
In a rechargeable cell what kind of energy is stored within the cell?
Electrical energy
Potential energy
Chemical energy
Kinetic energy
MRI stands for:
magnets resonant imaging
magnetic resonance imaging
magnetic radar imaging
magnet radial imaging
Which is the space shuttle in which the Indian-born astronaut Kalpana Chawla died?
Columbia
Discovery
Enterprise
Atlantis
For determination of which of the following is carbon dating method used?
Fossils
Rocks
Trees
a & b above
