Which is the process used to harness nuclear energy these days? Explain it briefly.
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In a process, 701 J of heat is absorbed by a system and 394 J of work is done by the system. What is the change in internal energy for the process?
According to the first law of thermodynamics, ∆U = q + W (i) Where, ∆U = change in internal energy for a process q = heat W = work Given, q = + 701 J (Since...
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In a process, 701 J of heat is absorbed by a system and 394 J of work is done by the system. What is the change in the internal energy of the process?
Internal energy of the system increases by 307 J.
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Briefly explain IVF and ET. What are the conditions in which these methods are advised?
IVF and ET refers to In vitro Fertilisation and Embryo Transfer. Gametes from the male and female are collected hygienically and induced to fuse in the laboratory set up under...
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Is it true that there is more solar energy available in the tropics? Explain briefly.
As one moves from the equator to the polar regions, the length of the day decreases and the length of the night increases. The length of day and night are...
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Name the catalyst used in the following process : (a) Haber's process for the manufacture of NH3 gas.
[Hint : (a) Finely divided Fe/FeO, MO as promoter. (b) Pt (Platinised asbestos)]
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Which of the following is not an example of a bio-mass energy source? (a) Wood (b) Gobar-gas (c) Nuclear energy (d) Coal
(c) Nuclear- energy
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Why is there a need to harness non-conventional sources of energy?
(i) Our demand for energy is increasing to improve quality of life and growth of population. (ii) Fossil fuels are limited.
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Name the process by which nuclear energy is generated and also name one substance used for it
The process is nuclear fission. Substances are uranium, plutonium, thorium. Advantages : (i) For a given amount of fuel, the amount of energy is released extraordinarily large. (ii) Nuclear power plants can be...
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a and b working together can do a work in 6 days.if A takes 5 days less than B to to finish the work in how many days B alone can can do the work
B alone finish work in x days A alone work in x - 5 A one day works= 1/(x-5) and B one day works = 1/x A+B one day work = 1/6 so, 1/(x-5)...
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Identify the correct statement regarding a spontaneous process: (a) Lowering of energy in the reaction process is the only criterion for spontaneity.
(b) : In an isolated system, there is neither exchange of energy nor matter between the system and surrounding. For a spontaneous process in an isolated system, the change in...
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