A super conductor is characterized by
1 Zero permeability
2 Low permeability
3 High permeability
4 Infinite permeability
In an atomic nucleus, neutrons and protons are held together by 1 Gravitational forces 2 Magnetic forces 3 Exchange force 4 Coulombic forces
Who is the second female cosmonaut?
The average salinity of sea water is 1 2% 2 2.5% 3 3% 4 3.5%
Which of the following metals was first discovered by man? 1 Bronze 2 Silver 3 Iron 4 Copper
what are advantages & disadvantages of science?
The property of a substance to absorb moisture from the air on exposure is called 1 Osmosis 2 Dessication 3 Efflorescence 4 Deliquescence
In laundry soaps, a material called ‘filler’ is used. Which of the following is a ‘filler? 1 Talc 2 Sodium silicate 3 Soda ash 4 Sodium phosphate
Would you like to do a Course in MBBS in Mauritius?
In which year, physical laboratory in ahmedabad was founded?
why is it important that sex cells have half the number of Chromosomes as body cells?
Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent
The type of glass used in making lenses and prisms is 1 Soft glass 2 Pyrex glass 3 Jena glass 4 Flint glass