A moderator is used in nuclear reactors in order to
1 Increase the number of neutrons
2 Decrease the number of neutrons
3 Slow down the speed of neutrons
4 Accelerate the neutrons
The vast resources of unutilized natural gas can be used in the production of 1 Graphite 2 Fertilizers 3 Synthetic petroleum 4 Carbide
Which of the following has the lease penetrating power? 1 Alpha particles 2 Beta particles 3 Gamma rays 4 All have the same penetrating power
The average salinity of sea water is 1 2% 2 2.5% 3 3% 4 3.5%
When was the administration control of terls enstrusted to physcial research laboratory, ahmedabad?
The major constituents of Portland cement include 1 Lime, silica and iron oxide 2 Lime, silica and magnesia 3 Silica, alumina and magnesia 4 Lime, silica and alumina
Mesons are found in 1 ?-rays 2 Laser beam 3 X-rays 4 Cosmic rays
3 Answers ABC, Indian Army, JSSC,
Ozone attacks 1 Mercury and silver 2 Copper 3 Silver and iron 4 None of these
When was the first american rocket launched?
Explain about the methods of sterilization of DMEM?
Which of the following is used for removing air bubbles from glass during its manufacture? 1 Feldspar 2 Arsenious oxide 3 Potassium carbonate 4 Soda ash
What is the Botany?
What ate the most essential parts of the human body ?
2 Answers State Bank Of India SBI,