Question 1. What Is Nucleus?
It is the a part of an atom in which complete mass of the atom is count on to be focused.Or it's miles the primary a part of an atom which incorporate proton and nuetron.
Question 2. How Is Energy Transformed In Windmills?
Essentially what occurs is that because the energy from the wind rotates the vanes of the mill, coils of cord rotate interior a everlasting magnet (generator) and produce electric powered voltage/contemporary. This cutting-edge is then sent onto the grid and utilized by us as electricity every other shape of power. This is a completely simple clarification and there is a lot more within the design of the gadget.
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Question three. Name The Women Scientist Who Has Played The Pivotal Role In The Development Missile Technology Of India And Nick Named As "missile Woman"?
Question four. In Radioactive Dating We Use Half Life To Determine The Age Of A Sample But Not Average Life Why?
It is a quantitative degree in which we examine the amount of a radioactive substance in the sample to that inside the surroundings/fresh substance.
Question 5. What Is Meant By The Rest Mass Energy Of An Electron?
According to the Einstein's Theory of Relativity, the mass of a body (say a particle) relies upon on the electricity and on the momentum (say the velocity) with which the particle movements.
So, we have a problem: is there a mass fee that every observers can relate to? Yes: is the relaxation mass, that is the mass you can degree in a frame of reference co-transferring with the particle (in which the particle is still), this is the middle-of-mass frame and that coincide with the minimal value measurable for each observers.
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Question 6. What Is Fussion?
It is a nuclear response wherein two nuclei integrate to shape a bigger (with nearly mixed mass) nuclei.
It releases lot of power. Sun and stars launch electricity in this style.
Question 7. What Is The Difference Between Cathode Ray And Beta Ray?
Actually normal on the wave front known as RAY, in the beta radiation there is wave packet and hence no wave frant. In cathod ray there is electromegnatic radiation and we are able to use phrase ray however within the case of beta partical we use phrase beta radiation as opposed to betaray.
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Question eight. Can An Electron Be Obtained (or Come Out) From The Nucleus?
Yes, electron having an electricity better than the ordinary atomic electron may additionally come out of the nucleus because of beta decay manner. A terrible beta is identical to an electron in all respect except with difference in kinetic strength.
Question nine. Explain History Of Nuclear Reaction?
Bigger nuclues broken to from lighter nucleus and or three neutrons is called nuclear fission used for making atom bomb ligther nucleus joined to shape bigger nucleus is referred to as nuclear fussion used for making hydrogen bomb.
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Question 10. What Is Fission And Fusion?
Fission: The breaking down of a Nucleus (no longer atom) into smaller nuclei. It is normally brought on by using a neutron.
For example, a Helium nucleus (known as alpha particle) is divided into two 4He(+2) --> 2H(+1) + 2H(+1)
A lot of electricity is launched in the technique.
Fusion: This occurs whilst nuclei combines to form a larger nuclei. Huge amount of electricity is needed to start this. Because its now not clean to carry two definitely charged nuclei nearer.When they combine, a big quantity of energy is released.
This usually happens inside the stars. The enery required to start the fusion comes from the gravitational pressure between the debris.
Question 11. The Velocity Of A Body Was Noted To Be Constant During Five Minutes Of Its Motion. What Was Acceleration During This Interval Its?
Since pace of frame stays consistent throughout given term,so diff.Of pace(steady)with admire to time could be ZERO.
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Question 12. Name Any Two Elementary Particles Which Have Almost Infinite Life Time?
Electron and proton have almost infinite life time.
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Question 13. Cadmium Rods Are Provided In A Nuclear Reactor. Why?
Cadmium rods are furnished in nuclear reactors due to the fact when we begin nuclear reacter then extra power is requird for begin the reacter , we can't begin nuclear reacter with much less electricity, the rod is used specifically for preventing touch of newtron particles with the device.
Question 14. What Is The Essential Difference Between An Electron And A Beta Ray?
The electron of nuclear foundation is known as a beta-particle. There is in any other case no difference among an electron and a beta-particle.
Question 15. What Does Held Nucleons Together In A Nucleus?
Nuclear force. It is the nuclear force which binds the nucleons collectively and is accountable for the steadiness of nucleus.
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Question 16. Tell Me Is It Possible That A Nucleus Has Negative Mass Defect?
If the nucleus has had a mass illness it is probable that the strong force and the weak pressure have sustained a main reduction in equilibrium. This can reason the fine and negative expenses to reverse and change power degrees. Such a phenomenon has been describe with the aid of Einstein in his paper on the velocity of light and time discount. You can check this with the use of an electron microscope to decide is the coloration spectrum had modified extensively. If so, then you may have a problem.
Question 17. Why Is Heavy Water Used As A Moderator?
Heavy water is water fantastically enriched in the hydrogen isotope deuterium.We are able to evaluate the neutron inatractions with billiard ball collision, in which neutron collids wth nucleus of different automs & lose energey.If the colliding nucleus length is small like hydrogen nucleus it's going to lose maximum energey.If nucleus is hevy the neutron hits the nucleus just adjustments its course however no longer that much chnage within the power of neutron. So we use heavy water as moderator to slow down neutrons.
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Question 18. How Asteroids Are Formed?
Due to impact of planets, rocks are break out in the area and became asteroied. In some case the gasieous material and vepour produced within the supernowa are coegulated inside the area and shape asteroied.
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Question 19. What Is E= Mc2?
This is mass-energy lesion.