Band Gaps The energy gaps between the valence and conduction bands are called band gaps. For silicon, the band gap is 1.1 eV; for fused silica glass, it is 9.3 eV. Part A What is the wavelength A of a photon that has energy 1.1 eV? Express your answer in nanometers to two significant figures. Ι°νπ, αβ, ΔΣ, λ = reset shortcuts ? help
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- Directions: Solve the following problems. Use g = 9.80 m/s2 and assume allnumbers are accurate to 3 significant figures unless otherwise indicated.Suppose the bond in a molecule is broken by photons of energy 5.0 eV. f = Submit Request Answer Part B Value X= Determine the wavelength of these photons. Express your answer with the appropriate units. Submit μA Value Units Request Answer Units www ?The figure below shows the reciprocal lattice of a 2D square photonic crystal structure. Which of the shaded area in the figure below that depict the Irreducible First Brillouin Zone. b
- An X-ray photon with a wavelength of 0.965 nm strikes a surface. The emitted electron has a kinetic energy of 956 eV. Part A What is the binding energy of the electron in kJ/mol? [Note that KE = mv² and 1 electronvolt (1 eV) = 1.602 x 10-1⁹ J.] Express the binding energy of the electron in kilojoules per mole to three significant figuresPls explain this question in no more than 4 lines and easy to understand method.Please answer parts c and d please
- Consider Ω = αU^(αNV) Use the following steps to find T, U(T), and CV 1. Use quantum mechanics and some combinatorics to find an expression for the multiplicity,Ω , in terms of U, V, N, and any other relevant variables. 2. Take the logarithm to find the entropy, S. 3. Differentiate S with respect to U and take the reciprocal to find the temperature, T, as a function of U and other variables. 4. Solve for U as a function of T (and other variables). 5. Differentiate U(T) to obtain a prediction for the heat capacity (with the other variables held fixed).please help me with the following and make sure its corrcet 100% , pls and thank youFor each of these problems, think about and then describe how you break the problem down to be able to solve it. Then do the Fermi estimate. 1. Estimate the number of pieces of paper that would be needed to cover the surface of the earth. 2. How long a line can you draw with a pencil?
- Pls help ASAP. Pls show all work and do all parts of the question.Q1: The input to a single-input neuron is 2, its weight is 2.3 and its bias is -3. i. What is the net input to the transfer function? ii. What is the neuron output if the transfer function is sigmoid?SAMPLE PROBLEMS & SOLUTIONS Example 1: The interacting potential energy between two ions is represented by the following expression: -1.252 5.625 x 10-6 U = ..Eqn(1) r8 Where (r) is the distance in nm (1nm = 10-m) (U) is in kJ Calculate: a) The equilibrium distance ro in nm. b) The minimum bond energy in kJ. c) The maximum interionic force for the bond in kN.