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Q: QUESTION 7 A battery is made up of an unknown number of cells. Each of the cells in the battery is…
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Q: 2. Show that 1 1/2 (ɛ — eq)²4(r) = [p² — 2e(A · p) + e²A² + M²c²]y(r) · c²
A: We know that (A-B)2=A2+B2 -2.A.B Given the wave function Ψ(r,t)=Ψ(r)exp(-iEt/ℏ) Then we can prove…
Q: 39) Which of the following formulas shows the Law of cosines? O A. c^2=a^2+b^2-4ac+cos A OB.…
A: According to cosine rule if two sides of the triangle (a and b) and angle (θ) between them is given…
Q: The isospin of pion TT is а. О O b. 1 O c. -1 O d. 1/2
A: Isospin is a quantum number that describes the up-and-down quark composition of a particle. Isospin…
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Q: Decreasing the concentration of doped elements in TEG modules lead to an increase in O a. all. O b.…
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Q: in why vibrational excitation of molecules by electron impact mostly proceeds through intermediate…
A: The photoelectric effect is a phenomenon in which electrons are ejected from the surface of a metal…
Q: 3. F = xz²i + (1 − 3xy)j + yzk, A. xyi + 2yzj - 3yk B. zi + 2xzj - 3yk C. zi + 2zj3xk D. xi + 2yzj -…
A: Given, Force, F→ = xz2 i^ + 1-3xyj^ + yz k^
Q: XCA)= Acos(wttØ) VA = alt) =
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Q: 41 : Calculate the kinetic energy of 10 gm of Argon molecule at 127°C. R = 8320 J/kg mole °K. Atomic…
A: Description : In this question we have to find K.E. of argon molecule having weight 10 gm at 127oC.…
Q: Q 2. In the frq. shown below. Resolve the force l00lb into taio components one albng AB and the…
A: Let's calculate the angle for the 200 lb θ1=tan-1510θ1=26.6°
Q: kx² Calculate [p,Ĥ] any way that is easiest for you! 2 -h? a? In differential form, we have H 2m дх*
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Q: True/False and why? A gram of Cesium has more atoms than a gram of Hydrogen.
A: Number of atoms in 1 gram of Cesium is,
Q: What do you understand by crystallography?
A: Crystallography is the study of crystals, their structures and properties. Crystals are arranged in…
Q: The electronic structure of Ti is: A. 1s 25 2p 3s 3p*4s 3d° B. 1s 25 2p 3s" 3p 4s2 C 1s 2s 2p 3s 3p…
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Q: Answer the following questions. a. Compare the top and bottom states (1 and 4). Do these represent…
A: Total number of states, gi=2 Total number of particles, ni=2 total number of particles=N The total…
Q: 1:Newton is the unit of ? O 1-weight 2- mass O 3- speed 4- time O O O
A: Hi, your have posted multiple questions without specifying which question to be solved so we will…
Q: 3. Gravity . stability by Brownian motion stability by Choices: increases, decreases, moving…
A: Ans: Gravity decreases stability by pulling particles down. Brownian motion increases stability by…
Q: 2. State under which condition the following are nonzero a. (n,l,m[z\n',l',m') b. (n, l, m[x]n', l',…
A: Since the value in part (a),(b) and (c) is represented the average value of z , y and x . Actually…
Q: The force constant of HCl is 0.0482 N/m. a) Calculate its vibrational frequency. b) How much does…
A: Given
Q: 12. Which of the following is submonoid of (Q, *) where a*b = ab? A. (Z, *) C. ({0}, *) B. (R+, *)…
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Q: Sulfur bonds with Beryllium in an ionic bond to create the stable compound Beryllium Sulfide. After…
A: Sulfur bonds with Beryllium in an ionic bond to create the stable compound Beryllium Sulfide. After…
Q: electron microsopy for characterization
A: According the bartleby policy, the two questions are independent of each other and so 1st one is…
Q: 10 Oxygen has atomic number 8. How many times must an oxygen atom be ionized to create an 0+5 ion,…
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Q: 1- What is the difference between Atomic Energy levels and Crystal Energy Bonds? How Energy Band are…
A: The key difference between energy level and energy band is that energy levels exist at the atomic…
Q: What is the average power input to the wheel during this time interval?
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Q: The smallest particle of any chemical element that can exist by itself and yet retain the qualities…
A: We know that, According to Dalton's atomic theory Matter is indivisible But it was wrong Further…
Q: A e 4ITE 1. 1 Calculate k ? -18 E-1.28 Xlo -19 A-1-75 E= fe85 x to12 + - १! Find explain Step by…
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Q: 2/3 2/3 1/2 B 1/2 1/2 According to the plots choose the appropriate indices from below: A. [120] В.…
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Q: 4. While tying his shoes, a person holds the shoestrings at the angles indicated in the illustration…
A: Downwards force (F) = 20 lbs θ1 = 30oθ2 = 40o
Q: 11) The energy of interaction of two atoms separated by a distance is often written as: В α V=-=+ 1"…
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Q: +92 9 a 01. 9=5,2 cm 7=1,8MC 73=11,8MC 2 %3D 92- 1,84 C CACULAT F iN q, THAT PRODUCE 9, 9 AND q4 2)…
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Q: G- me. T's 6.67 - 10" Nm² 3 %3D 2. 2. 104 4. T2 2. 27
A: r3=6.67×10-11Nm2/kg26×1024kg4π2×27s2 r3=6.67×10-11Nm2/kg26×1024kg43.142×27s2…
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