The age of most ancient geological formations is estimated by
1 Potassium-argon method
2 Ra-Si method
3 C14method
4 Uranium-lead method
Answers were Sorted based on User's Feedback
Brass gets discolored in air because of the presence of which of the following gases in air? 1 Carbon dioxide 2 Oxygen 3 Hydrogen sulphide 4 Nitrogen
how is electricity converted from the potential energy of water falling from dams?
What is one light second?
In an atomic nucleus, neutrons and protons are held together by 1 Gravitational forces 2 Magnetic forces 3 Exchange force 4 Coulombic forces
What is the morphology ?
Who is the chairman od atomic energy commission of india?
Who commanded the challenger’s first flight?
WHAT IS AMBER
Detergents used for cleaning clothes and utensils contain 1 Nitrates 2 Bicarbonates 3 Sulphonates 4 Bismutnates
Which of the following is used as a moderation in nuclear reactor? 1 Ordinary water 2 Radium 3 Thorium 4 Graphite
Which of the following is used as a lubricant? 1 Graphite 2 Silica 3 Diamond 4 Iron oxide
What is the Cellular Structure ?