Q1-Complete the blanks? - Having absorbed energy from a photon of electromagnetic radiation, loss of energy by a reaction such as O2* ® O + O is known as.............................whereas loss of energy by the immediate emission of light is ...............................

Q: 13. How should the angle of deflection of an a particle by a nucleus vary with the closeness of the…

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Q: Describe the types of radiation emitted by electrons in hydrogen atoms for the following…

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

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Q: In order for a thermonuclear fusion reaction of two deuterons (GH*) to take place, the deuterons…

A: Given data contains, Velocity=1×106 m/s. The mass of deuteron is calculated as, Mass=21.67×10-27…

Q: When light with a wavelength of 186 nm strikes the surface of tin metal, electrons are ejected with…

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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: When light with a wavelength of 186 nm strikes the surface of tin metal, electrons are ejected with…

A: The following procedure is shown below for finding binding energy-

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

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Q: For each pair of transitions, determine which one results in emission of the larger amount of…

A: ∆E α 1n12-1n22  (a)  n = 3 to n = 2 transition results in emission of the larger amount of energy.…

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: 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: express Heisenberg's uncertainity principle in mathematical form.

A: According to Heisenberg's uncertainity principle, it is not possible to measure simultaneously the…

Q: Which one of the following forms of electromagnetic radiation possesses the greatest energy per…

A: A spectrum that consists of electromagnetic radiation is called electromagnetic spectrum. It…

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: Which of the following statements is FALSE? a.UV envelopes electronic transitions b.IR uses light…

A: Electromagnetic spectrum, the entire distribution of electromagnetic radiation  according to…

Q: What is unique about radiation? A. It requires objects to be in direct contact to transfer heat. B.…

A: Radiation is energy that comes from a source and can possibly penetrate through certain materials. I…

Q: The Big bang is actually the interaction of matter with ________:  anti-matter dark matter…

A: The big-bang theory explains the evolution of the universe. It states that the origin of the…

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: The Balmer series in the hydrogen emission spectrum is in the visible range and has four distinct…

A: According to the Plank quantum theory the energy of a photon of electromagnetic radiation is given…

Q: a metal has a minimum energy threshold of 266 kJ/mol, what happens if light at a wavelength of 400.0…

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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: In order for a thermonuclear fusion reaction of two deuterons (21 H+) to take place, the deuterons…

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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: It is known that 1K decays to Ca (89.3%) and to 1Ar (10.5% to its first excited state, 0.2% directly…

A: K40 decays into two different nuclei.

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

A: The threshold energy of gamma rays required dissociating deuteron into proton and neutron is 2.22457…

Q: When light is shined on a thin sheet of metal, electrons are released with a kinetic energy of 7.12…

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Q: The star Serius, which is 3.78 x 10^13 km away, goes super nova. This means that the star explodes…

A: Sirius is the brightest star in the night sky.  Supernova is a powerful and luminous stellar…

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: Is there enough energy released from a hydrogen atom during an n = 6 to n = 1 electron transition to…

A: 1/λ = 1.097x107m-1 (1/nf2 - 1ni2) λ = wavelength = ? nf = final energy level = 1 ni = initial…

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: Determine the thickness of iron needed to achieve the following shielding goal. Iron density is 7.8…

A: Given: Density of iron=7.8 g/cm3 Atomic mass of iron=55.845u Iron mass attenuation…

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: A metal with a threshold frequency of 2.20x10^15 s^-1 emits an electron with a velocity of…

A: The photo electric effect equation is given below.

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: In what year was the emission of invisible rays discovered? 1896 1897 1895 1898

A: The French physicist Antoine Henri Becquerel accidentally found an uranium-rich mineral is said to…

Q: What wavelength, in femtometers (fm), does an alpha particle have if it is traveling at 22.9% the…

A: λ = hm v  where  λ =  wave length  = ? fm  h = planck's constant = 6.625 x 10-34 J sec = 6.625 x…

Q: Estimate the uncertainty in the position of (i) a neutron moving at 15x106ms-1 and (ii) a 165 Kg…

A: The equation for the Heisenberg uncertainty principle follows: ∆x·∆p=h4π        OR ∆x·m∆v=h4π…

Q: Burning strontium salts such as Sr(NO3)2 produces red photons. Calculate the energy (in joules per…

A: We have given:  Burning strontium salts :  Sr(NO3)2 produces red photons Wavelength =  670 nm…

Q: When light with a wavelength of 186 nm strikes the surface of tin metal, electrons are ejected with…

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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: Which of the following is characteristic of high-energy radiation?   a) High wavelength d) High…

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Q: Define the species of "elementary" particles found in nature ?

A: Subatomic particles are named as elementary particles. Atoms consist of electron, proton neutron,…

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…

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.