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Q. What do you mean by Fusion Reactors?
Ans.
It is pretty difficult to achieve fusion in the laboratory. A lot of energy is needed to initiate the fusion process and the reaction needs to proceed at a temperature of millions of degrees. Scientist are just now at the break-even point. The amount of energy needed to run the reactor is about the same as the energy removed.
Large-scale fusion reactors are the dream of many energy scientists. Fusion power plants would replace those now fueled by nuclear fission and fossil fuels. Because fusion power plants would not produce air pollutants they could minimize the environmental risks associated with the burning of fossil fuels and could substantially decrease demand for premium hydrocarbon fuels. Also, because fusion power plants would contain only small quantities of fuel at any time, they could eliminate the potential for runaway reactions that might lead to accidents. The development of low-activation materials or advanced fuel cycles for fusion reactors could make the amounts of high-level radioactive waste that result from fusion-produced energy far smaller than those produced by fission reactors, thus simplifying waste disposal problems.
Physical properties of alkyl halides (1) Physical state: Methoxy methane and methoxy ethane are gases whereas other members are volatile liquid along with pleasant smell.
MOLE CONCEPT
Question: (i) List the different members of the marine mammalian groups. (ii) Explain the term "stranding" and give some reasons why cetaceans strand? (iii) Cetacean
In any atom which sub-shell will have the highest energy in the following : (1) 3p (2) 3d (3) 4s (4) 3s Ans: 3d
All electrons on the 4p sub-shell must be characterized by the quantum number(s): (1) n=4, m= 0, s= ± 1/2 (2) l=1 (3) l=0, s= ± 1/2
unique properties of colloids
How are standard solutions and titrations are prepared in industry?
Tetracyclines: The tetracyclines consist of hydronapht-hacene skeleton like the characteristic structural unit. The structures of tetracycline are specified as follows,
nuclear quadruple resonace
Which one is the strongest bond: (1) Br- F (2) F-E (3) Cl-F (4) Br- Cl Ans: Br- F
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