b) A 9.0 kn resistor is to be connected across a 120 V potential difference. What power rating is required?

Q: List activities of Natural Radionuclides?

A: Radionuclides are radioactive nuclides which have excess nuclear energy.

Q: State 3 reasons why the power generated in a nuclear core is limited by thermal considerations and…

A: A reactor core contains many fuel assemblies. The heat produced during nuclear fission in the…

Q: definaton of homogeneous nucleation

A: Nucleation is the first step in the formation of either a new thermodynamic phase or a new…

Q: Fill in the nine gaps in this table. Element symbol Zn Protons 28 Neutrons 34…

A: in the neutral atom, no. of protons= no. of electron Mass no. = No. of proton + no. of neutron

Q: What influence does the strong nuclear force have on the electrons in an atom? It attracts them…

A: Strong nuclear force is the binding force that acts as a glue holding the protons and the neutrons…

Q: 24.) Consider cobalt-60 with a half-life of 5.25 years. How many years will it take for its activity…

A:

Q: The diagram shows alpha, beta and gamma rays put through an electric field. Indicate which is gamma,…

A:

Q: Describe what happens to hydrogen nuclei during nuclear fusion

A: Nuclear fusion is a reaction in which two or more than two atomic nuclei are combined to form one or…

Q: Fill in the nine gaps in this table. Element symbol     Mg     Protons   20   Neutrons   20…

A:

Q: What is the Atomic mass unit is defined as the mass of ?

A:

Q: Which two scientists proposed an atomic model with a nucleus

A: Two scientist name who proposed an atomic model

Q: Describe how smoke detectors use alpha particles.

A:

Q: How does the overall number of protons change when an isotope goes through beta minus decay?…

A: Beta minus decay is a type of radioactive decay in which a neutron in the nucleus of an atom is…

Q: Express the nuclear composition for each below: (a) C-14 (b) a common stable Potassium atom (c)…

A:

Q: the symbol TO re carbon-12 and carbon-13. each isotope using superscripts and subscripts t epresent…

A: Isotopes are the elements that have same same atomic number but different mass number. The mass…

Q: Find the external reactions 400 N/m -3 m AL -3 m- B

A: Solution:-Given that

Q: If a pair of carbon atoms were fused, and the product were to emit a beta particle, what element…

A: Given, a pair of carbon atoms were fused and the product emits a beta. Thus there will be an…

Q: Question - The half-life

A: The half-life of  60Co = 5.27 year  The activity of a 60Co  is 3.50 x 109 Bq  Find:- What is the…

Q: State two observations about the alpha particles detected coming from the foil of alpha scattering

A: In 1907, Rutherford was studying the scattering of radiation particles that are directed towards a…

Q: What determines the identity of the element? Atomic MASS (# of protons and neutrons) Atomic NUMBER…

A: What determines the identity of the element ?

Q: What element results if you add a pair of protons gto the nucleus of mercury?

A: Number of protons n in an element of mercury is 80

Q: Write a nuclear equation for the decay of the following nuclei as they give off a beta par 241 94 64…

A: For the first decay the reaction becomes,  1. Pu94241→e-10+Am95241 Here Am95241 is isotope of…

Q: Circle which particle is the “heaviest" ? A) Alpha B) Beta C) Gamma D) Neutrino

A: Need to find : Among alpha, Beta, gamma & neutrino which particle is heaviest.

Q: Write A Short Note On Beta Particles

A: Beta particles (also referred to as beta radiation or beta rays, denoted by the symbol β) can be…

Q: What characteristic of an atom is changing in nuclear reactions? nucleus of an atom O electron size…

A: There are two kinds of reactions, chemical reactions, and nuclear reactions. The given question is…

Q: Differentiate between gamma rays and X-rays.

A: Differences between gamma rays and X-rays are shown below.

Q: The fusion reaction takes place under ________ a) High Temperature and Low Pressure b) Low…

A: The fusion reaction takes place under the conditions of extremely high temperature (≈ 107 K) and…

Q: Include 2 reactions that take place in a nuclear reactor

A: Two types of reactions that occur in the nuclear reactor (1) nuclear fission (2) nuclear fusion

Q: What is binding energy, and how does it relate to the stability and mass of atomic nuclei?

A: Binding energy in the context of atomic nuclei refers to the energy required to disassemble a…

Q: Question 2. Calculate the binding energy of an 180 atom in units of MeV/c?.

A: Given, An Oxygen atom have mass number is 18 and atomic number is 8.