Question - The half-life

Q: State the nuclear energy that occurs during positron emission hence explain why no positrons are…

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Q: Krypton-85, or 85Kr, has a half-life of 10.72 years. Imagine a sample of krypton-85 is prepared. (a)…

A: Hal-life of a sample is the time taken by that sample to reduce its number into half. Variables…

Q: The radar active element carbon 14 has a 1/2 life of 5750 years as scientists determined that the…

A: Given , half life of carbon , t1/2 = 5750 years Lost carbon 14 is 5.19 % Let N0 is the initial…

Q: GUTs: The Unification of Forces• State the grand unified theory.• Explain the electroweak theory.•…

A: grand unified theory. Grand unified theory is a model in particle physics, in this theory three…

Q: 7. Which type of reaction does this diagram represent? * 235U 236U 141 Ba 92Kr nuclear fusion…

A: In the diagram we have a Uranium (U-236) nucleus which is being split into two nucleus of Krypton…

Q: Does the equation E = mc2 apply to chemical reactions?

A: Einstein's equation E=mc2 applied to  nuclear reactions and to chemical reactions as well. however…

Q: 3. Tungesten-184 emits an alpha particle and the new nucleus formed is: Rehinuim-188 Iridium-184 O…

A: If an alpha particle is formed, the mass of the parent element decreases by 4. Hence, 184 must be…

Q: For helium to release energy, should it be fissioned or fused?

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Q: Mu mesons are subatomic particles which are created when cosmic rays strike the top of the…

A: The total number N of radioactive nuclei remaining after time t is given…

Q: 7. Which type of reaction does this diagram represent? * 235U 236U 141 Ba 92Kr nuclear fusion…

A: In this question we have to identify which type of reaction is taking place in the given diagram by…

Q: The starship Enterprise, of television and movie fame, is powered by combining matter and…

A: Understand that when matter and antimatter combines with each other, their mass also combines and…

Q: Krypton-79 has a half-life of 35 h. How many half-lives have passed after 105 h?

A: Krypton-79 has a half-life of 35 h. How many half-lives have passed after 105 h?

Q: What occurs when a particle of matter and a particle of antimatter meet?

A: When a particle of matter and a particle of antimatter meet they annihilate each other and neither…

Q: Use the following information to answer the next question Nuclear Reaction 141 56 0 236. 92 U 92 Kr…

A: If a mass m is converted to energy of amount E in a nuclear reaction, then from Einstein's…

Q: explain in terms of conversation of momentum and energy, why collisions of neutrons with protons…

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Q: 91 The half-life of Sr is 9.70 hours. Find its decay constant. 38

A: Given data: 1 hour =3600 secT12= 9.7 hoursT12=9.7×3600secT12=34920 seclet decay constant is λ

Q: 4. How does an electron differ from a positron? 5. Why is proton-proton chain reaction important in…

A: (4) A positron is the antiparticle of the electron. It has the same mass of an electron and half…

Q: Discuss different types of fission and thermonuclear bombs.

A: Nuclear fission is the reaction in which nucleus of an atom splits into two or more smaller and…

Q: Explain the electroweak theory.

A: The electroweak theory that explains both the electromagnetic and weak forces in physics. These…

Q: Define half-life.

A: The term half-life is used in the context of radioactivity. Some material is not stable, they are…

Q: Complete the following nuclear reactions: (a) ? + '4N → H + !O (b){Li+ }H→$He + ? (b) ¿Li + }H→¿He +…

A: While balancing the Nuclear reactions, the sum of the mass numbers of the reactants equals the sum…

Q: 8. How would you describe half-life?

A: This question belongs from radioactivity.

Q: 3. How much energy is released in a nuclear reaction if 4.37 x 10A-25 kg of mass is converted to…

A: Given data: The mass converted to energy is m=4.37x10-25 kg.

Q: How can the mass be converted into energy?

A: According to Einstein's equation for mass equivalence, the mass can be converted into an equal…

Q: What is Magnetic decay?

A: The decay of the magnetic properties of a magnetic material can be termed as magnetic decay.

Q: Suppose one kg of antimatter came into contact with matter.  How would the explosive energy compare…

A: It is given that 1 kg of anti-matter comes in contact with 1 kg of matter. Then total mass is 2 kg.

Q: 3. How much energy is released in a nuclear reaction if 4.37 x 10^25 kg of mass is converted to…

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Q: When a positron and an electron collide and annihilate eachother, two photons of equal energy are…

A: The mass of electron is me=9.1X10-31 kg. The mass of positron is mp=9.1X10-31 kg. The speed of light…

Q: Complete the following nuclear reactions:

A: For balancing the Nuclear reactions, the sum of the mass numbers of the reactants equals the sum of…

Q: 99Mo beta decays with a half-life of 66 h to 99Tc*, an isotope that is widely used in medical…

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Q: Implications of Klein-Gordon Equation. Explain briefly?

A: Implications of Klein-Gordon equation :-…

Q: How would you describe half-life?

A: Half life    Half-Life is  the time interval in which  mass or number of nuclei of a radioactive…

Q: What are the uses of the Linear Accelerator?

A: Introduction: As technology advances, many of the instruments invented for their use in different…

Q: The reaction below describes an antiquark decaying into other particles. The X represents an unknown…

A: As per the guidelines, we are allowed to solve first three subparts of a question. Please resubmit…

Q: A penny has a mass of 3.0 g. Calculate the energy that would be required to separate all the…

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Q: What is given off by gamma decay?

A: In a gamma decay, unstable nuclei undergo decay to emit excess energy in the form of gamma rays.

Q: What do you mean by term positron?

A: Positron is known as the positive electron.

Q: QUESTION 3 What is the positron? the particle with mass of electron and positive charge the particle…

A: Answer :-  Positrons are the antiparticles of electrons. The major difference from electrons is…

Q: Erample 2 How much energy will be released by completely annihilating 1 mg of uranium atom?

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Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.