What is the wavelength (in nm) of radiation that has an energy content of 5.63×103 kJ/mol? Express answer in scientific notation.

Q: The radioactive ray with the greatest penetrating power is b. B - particle a. α-particle c. Y - ray…

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Q: Does the amount of radiation (cpm) change when shielding made from different material is used?

A: CPM refers to counts per minute and it is a standard unit used for monitoring the radiation.…

Q: Q1-Complete the blanks? - Having absorbed energy from a photon of electromagnetic radiation, loss…

A: Whenever a photon of electromagnetic radiation is observed by the oxygen molecule, it split with…

Q: Identify the particle represented by X 23U + in → 8Zr + 13Te + 2X 99 A В

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Q: The wavelength of radiation with an energy of 3.97x10-19 (501 nm)

A: Wavelength can be calculated using the given equation:

Q: When a particle is massless (that is m≈ 0, describe its energy with an equation.

A: Energy can be defined as a quantity that is conserved It means energy can neither be created nor be…

Q: 245 Cf+ dn 36° Cm + X - Cf+ {n 98

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Q: Identify the particle represented by X 235U + in → 23Zr + 1357TE + 2X 135Tе + 2X 40 4 (A В c) (D

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Q: Identify the particle represented by X 235 92 99. 40 28Zr + 1Te + 2X 135Te + 2X (A B

A: Interpretation: We have to identify the particle X.

Q: Q1) Both 60Co and 137Cs emit gamma rays. Which source had the least energetic gamma ray? Justify…

A: When the decay of the radioactive nuclei from higher energy to the lower energy takes place then it…

Q: A cyclotron used to accelerate alpha-particles (m = 6.64×10−27kg, q = 3.2×10−19 C has a radius of…

A: Given: The mass of alpha particles is 6.64×10-27 kg. The charge is 3.2×10-19 C. The radius is 0.50…

Q: What are the impications of Thompson related to cathode rays?

A: J.J. Thompson proposed a plum pudding model of the atom in which he stated that it had…

Q: Calculate the speed of a gamma ray with a frequency of 3.0x1019 Hz and a wavelength of 1.0x10 11 m.…

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Q: magnetic radiation.  Is radiation absorbed

A: Interaction of electromagnetic wave with matter results in the excitation of molecules from ground…

Q: p. 5726Fe + on →. + 'on → 5926FE q. r. 5726FE > + °1B

A: During nuclear reaction various types of elements and isotopes are formed due to absorption or…

Q: ( 4.76, 4zhE 5. Reduced Mass mZ'e* E = - (4.7e,) 24² n 1 Example 1 me R • Consider a positronium…

A: The nucleus of an atom consists of a neutron (n) and proton (p), the latter has a unit positive…

Q: There is a safe level of radioactive carbon dioxide on earth and inside your body because of:  a.…

A: As the carbon-14 founds in the upper earth atmosphere and created when neutrons originating from…

Q: What is the maximum wavelength of a γ ray that could break a deuteron into a proton and a neutron?

A: The energy can be expressed as the product of a constant that is plank’s constant(h) and…

Q: Does the amount of radiation (cpm) change when shielding made from different materials is used?…

A: There are three types of radiation namely alpha, beta and gamma and the shielding effect is going to…

Q: _____→233 U 92+0 e -1 Express your answer in isotopic notation.

A: According to the law of conservation of atomic mass and number, the unknown element can be…

Q: Why would a scientist prefer to use the graph of radiation intensity versus (1/distance)^2 as…

A: A number of physical properties (like the force , intensity between two system) get smaller as they…

Q: When light is shone on a gallium plate, electrons are ejected with a kinetic energy of 137 kJ/mol.…

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Q: N'd TiPz 2 P;=P.V,Tz Pz= V2T. Al pha Particle Emission Beta Parti cle Emission Symbol Gamma Ray…

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Q: The gamma rays emitted by 60Co are used in radiation treatment of cancer. They have a frequency of…

A: Calculate the wavelength (λ)of the gamma rays emitted by 60Co. Frequency is 2.83 × 1020 s-1.…

Q: 92 UV 380 500 600 700 780 IR 7500 10. After completing the Star Spectra Activity, please explain how…

A: Answer 11)  Exoplanet atmosphere tells physical condition of the world. We can use transit…

Q: What is the energy of the radiation emitted when an electron in a hydrogen drops from an energy…

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Q: A certain radioactive isotope has a half-life of 10 years. How long will it take a 250 gram of this…

A: Given that half life of isotope is 10 years.

Q: When light is shone on a gallium plate, electrons are ejected with a kinetic energy of 112 kJ/mol.…

A: Concept: The energy of the photon is equal to the sum of the threshold energy (binding energy) and…

Q: The radioactive isotope Thallium-201 is used in medical diagnosis and treatment. A gamma ray emitted…

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Q: Among the elementary subatomic particles of physics is themuon, which decays within a few…

A: Electromagnetic spectrum involves different radiations from the lowest to the highest frequency…

Q: (1) The radioactive isotope iodine-131 is used in medical imaging as indicated on the table above.…

A: The table details the types of radioactive decays by different isotopes.

Q: Complete and balance the following nuclear equations by supplying the missing particle: (a) 4N + He…

A: Since this question contains multiple subparts, the answer for part(a) is given below. Kindly repost…

Q: What is the frequency of the radiation? \ = 1.238 x 10-2 m %3D [?]x 101

A: Frequency is inversely proportional to the wavelength

Q: what is the energy of radiation whose frequency is 1.9 x 1015sec-1 (Hz)?

A: The energy formula h is Planck’s constant is the frequency, c is the speed of light, and λ is the…

Q: How does the type and extent of damage caused by the recoil Rn, the a particle and the y ray differ…

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Q: . O3 (g) + electromagnetic radiation ----> O2 (g) + O (g) . The form of electromagnetic radiation…

A: O3 absorbs electromagnetic radiation and decomposes to give oxygen free atom or nascent oxygen with…

Q: Which one of the following particle has the smallest size? Select an answer and submit. For keyboard…

A: Which one of the following has smallest size :  Na+, Mg2+, Ne, F- , O2- .

Q: Discuss the principle of operation of He-3 based neutron detectors.

A: Neutron detectors detect the neutrons in the machine.

Q: (b) alpha emission from einsteinium-252 Es + -{ e → jet 252 252 99 Cf 98 252 Es → 99 252 e + 100 Fm…

A: Alpha emission is a type of radioactive decay in which an alpha particle is emitted.  General…

Q: Calculate the speed of a gamma ray with a frequency of 3.0x1019 Hz and a wavelength of 1.0x1011 m. O…

A: Given:  Frequency of gamma ray, f= 3.0 x 1019Hz  wavelength of gamma ray, λ=1.0 x 10-11m

Q: Identify the particle represented by X 235U + ồn 18zr + 135Te + 2X 404 в

A: Given, 23592U + 10n → 9940Zr + 13552Te + 2X

Q: Identify the particle represented by X 235U + ¿n → 18Zr + 135Te + 2X... 99 40

A: During radioactive decay, atomic mass and the atomic number of sum of all reactants and products…

Q: What is the energy of the radiation emitted when an electron in a hydrogen drops from an energy…

A: 13) Given, Electron in a hydrogen drops from n = 6 to n = 4 ninitial = 6 nfinal = 4 Energy of the…

Q: Which of the following is a good portable detector for identifying exposure or potential exposure to…

A: solution :       The radiation detector is used to measure different types of radiation like beta,…

Q: A radiologist is preparing a radioactive isotope of iodine-131 to examine the thyroid gland if…

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Q: Which one of the following particle has the smallest size? Na* B Mg2+ C Ne D F E 02-

A: Given species: Na+ Mg2+ Ne F- O2- We have to find the particle that has the smallest size.

Q: Identify the particle represented by X 235U + ön 40Zr + 13Te + 2X 99 402r + ... B)

A: In a nuclear reaction, we need to balance it to obey the law of conservation of mass.  So, we can…

Q: Why is electron capture accompanied by the emission of an X-ray?

A: Radioactive decay is the process in which the nuclide emits certain radioactive radiations that can…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.