The wavelength of X-ray is of order of
1 1 cm
2 1m
3 1 Angstrom
4 10 micron
Which of the following gases is obtained by the reaction of copper with dilute nitric acid is 1 NO2 2 N2O5 3 O2 4 NO
Which of the following is used as a coolant in nuclear reactors? 1 Heavy water 2 Cadmium 3 Liquid sodium 4 None of these
2 Answers WBCS West Bengal Civil Service,
tea will coll most easily in a:
What is the colouring matter in plants called
When was the atomic energy regulatory board ( aerb ) constituted?
Which of the following is used as a lubricant? 1 Graphite 2 Silica 3 Diamond 4 Iron oxide
What is light year?
Which country has no sunrise?
What is the Respiration ?
What are comets?
Explain the Aesthetic and Moral values of Science
1 Answers Mahatma Gandhi University,
who design the intelligent designer of the so called Intellegent design???