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“Nuclear scientist related Frequently Asked Questions by expert members with professional career as Nuclear scientist. These list of interview questions and answers will help you strengthen your technical skills, prepare for the new job interview and quickly revise your concepts”



95 Nuclear Scientist Questions And Answers

81⟩ Do you know what is shearing stress?

Shearing stress is the ratio of the tangential force F to the area of the face BCGH over which it is applied. The ratio shearing stress is divided by shearing strain is the shear module or co-efficient of rigidity, n

Shearing stress = const

Shearing strain

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84⟩ Explain me what Are The Particles Used In Nuclear Fission?

High energy alpha particles, protons, deuterons, X-rays as well as neutrons can be used for the fission process. However neutrons are chosen because neutrons are electrically neutral in nature and thus they do not require high kinetic energy to overcome electrical repulsion from the positively charged nuclei and can participate in fission reaction.

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85⟩ Tell me can’t We Become More Energy Efficient Instead Of Using More Energy?

We are vastly more energy efficient than we were just a few decades ago, much less a few centuries ago. Yet, even as we’ve become more efficient, we’ve also continued to use more energy. That’s because energy efficiency makes energy cheaper, and the result is that we find more ways to use it. Just a few years ago, nobody had heard of the cloud, and two decades ago nobody had heard of the Internet. Today, more of us than ever are able fly around the world. We fill our homes with 50-inch televisions and all manner of networked devices. We transform billboards and skyscrapers into gigantic LED video screens. Efficiency is good and we should strive for more, but it won’t eliminate the need to develop enormous quantities of cheap and zero carbon energy to meet the demands of the growing global economy.

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86⟩ Explain me do you believe nuclear fusion will soon be a reliable power source?

It is possible. But first we have to become self reliable in nuclear fission itself. Because nuclear fusion requires a very large amount of energy to fuse the atoms. And this kind of energy can be obtained by fission itself. There is no other way in present days to achieve such amount of energy except for nuclear fission.

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87⟩ Explain what is Quantum Physics?

The understanding of behavior of matter and energy at the molecular, nuclear, atomic and even microscopic levels is referred as Quantum physics

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88⟩ Explain me can’t We Solve Global Warming With Renewables?

We’ve made a lot of progress with renewables, but they are still costly, intermittent, and difficult to scale. Without utility scale energy storage technologies, which remain unviable, you simply can’t run a modern society on wind and solar alone. Some places, like Germany and Denmark, have achieved higher levels of wind and solar, but they have done so through heavy, historically unprecedented deployment subsidies, that can’t be sustained. Furthermore, these societies remain overwhelmingly dependent upon fossil energy: Germany got 70 percent of its electricity from fossil fuels in 201212 versus 5 percent from solar and 7 percent from wind.

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89⟩ Explain what Is Chain Reaction And How It Is Controlled In Nuclear Reactor?

In fission reaction during every stage two or more daughter nuclei is released, two or more neutrons and vast energy is released. Each neuron produced further participate in fission reaction and results in release of more neutrons, this reaction continues results in nuclear explosion. However in nuclear reactor the excess neutrons produced will be absorbed using moderator and control rods allowing only one neutron per fission to carryout further chain reaction.

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90⟩ Tell me how Was Participation In The Process Determined?

The Carnegie Endowment began this initiative in early 2008 by contacting each company that it knew to be exporting nuclear power plants at the time. The list was expanded subsequently in response to market developments. If, in the future, additional companies seek to export nuclear power plants, they will be invited to subscribe to the Principles and participate in their future review and implementation.

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91⟩ Tell me what is Parallax and Distance Measurement?

To measure the distance to nearby stars, astronomers use an effect called Parallax. Parallax is the apparent displacement of an object because of a change in observer’s point of view, for instance, when we look at object with one eye shut and then doing the same with other eye, there is a difference in the position of the object this is known as Parallax.

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92⟩ Tell me what is Quantum entanglement?

Quantum entanglement is one of the central principle of quantum physics, which means multiple particles are linked together in a way that the measurement of one particle quantum state determines the possible quantum of the other particles

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93⟩ Tell me why did you choose to apply with us?

Actually I got information of this program through BARC. I want to persue carrier in nucLear science and when I got to know that I could have masters in this field then I considered it a brightest opportunity to look after this program.

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94⟩ What is Wave-Particle duality?

When matter and light exhibits properties of both waves and particles, it is referred as Wave-Particle duality. For instance, Light can behave like wave when it shines through narrow slits while, when exposed to some metal surface it will spray electrons acting as a particle. So under different conditions it will act.

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95⟩ What is dark matter?

Dark matter is an invisible matter in the space that can hold the stars into the galaxy. They have no effect of electromagnetic force on it, which means it does absorb, reflect or emit light that makes them practically invisible.

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