The two elements that are frequently used for making
transistors are
1 Boron and aluminium
2 Silicon and germanium
3 Iridium and tungsten
4 Niobium and columbium
Answers were Sorted based on User's Feedback
Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 115
An atom of an element with mass number 23 and atomic number 11 will have 1 11 neutrons, 12 protons and 11 electrons 2 11 protons, 12 neutrons and 11 electrons 3 11 neutrons, 11 protons and 12 electrons 4 23 protons and 11 electrons
Which one is having more weight when compare to diesel to petrole?
What is super nova?
When and where was the first experimental atomic explosion took place?
Which is/are the important raw material(s) required in cement industry? 1 Limestone 2 Gypsum & clay 3 Clay 4 Limestone & clay
What is a nuclear triad?
is there any device to convert to mechanical energy into electrical energy
Which is the regulatory authority of atomic energy in india?
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
Which of the following gases is used as an illuminant in lamps used by hawkers? 1 Methane 2 Ethylene 3 Acetylene 4 Hydgrogen
In a fast breeder reactor, U-238 gets converted to 1 U-235 2 U-237 3 Co-60 4 Plutonium-239