lab report 5

The Electromagnetic Spectrum: wwwwwwww mmmm 10 10 -16 1024 T 10-16 Gamma rays T 10 10 -14 1022 Y rays 400 10 1020 T 10-14 10-12 10 -12 20 T 10 10-10 10 X-rays 18 -10 10 16 10¹ Visible light UV rays 1018 1016 TI X rays UV 10-8 1014 10 Visible spectrum IR 10¹4 Infrared rays 10¹2 10" 500 600 Increasing Wavelength (2) in nm → T 10 1010 10-6 104 10-² 12 Microwave T 10 108 Microwave FM 10 10⁰ 10 |AM Radio waves 700 10⁰° 10⁰ 10° Radio, TV T 10 Increasing Frequency (v) 106 10 4 s Long radio waves T 10² 104 106 108 Increasing Wavelength (2) - Frequency (Hz) 10* 10 10 Long radio waves 2 Wavelenght (m) 104 10² 10⁰ v (Hz) λ (m)

If n = 4, what is the maximum allowed value for {? 1 4 6. C 8 9. +/- x 100 MacBook Pro G Search or type URL ☆ esc $4 & %3D 4 6. tab 2. P.

List the essential parts of a spectrophotometer. Hence write the working principles or functions for each component.

Wavenumbers (cm-¹) 4000 3000 2000 1500 1000 500 D 1511 1236 3423 1033 3348 827 transmittance [%] 3074 3052 3042 2839 1631 1971 1862 1888 1740 001

There is no such thing as a law of reflection. OTrue O False

7. Consider an electron at n = 3 in a one-dimensional box whose length is 7.0 Å. a) Calculate the maximum value of 2 (in units of angstroms-¹) &n(x) = 2 sin NTX L n = 1, 2, 3,... ws(x) = √777 sin (374) 2 2 (esa(z))² = sin³² (37) - (sin (7))* (√3(x))² = 7 Å ΤΑ 7A (13(x))² = 0.286 Å-¹

2. The 3p -> 3s transition in ion Mg* (Z = 12) consists of a dual microstructure with wavelengths of 279.55 and 280.27 nm. Find the constant value C defined in the following equation for the 3p ion Mg* state.

11. A fixed radar gun transmits frequency of 5 GHz. A speeding Tesla is detected, and the Doppler shift is 700 Hz. Find the Tesla speed.

1:51 PM Sun Oct 9 -1/2 5) For a particle on a ring with the wavefunction: () = π kinetic energy of the particle using the operator K = -1/2 Y(0) = IT 21T K=-ħ²d² 21d² 2 cos ($) = kdo T (17¹/2)² 211 - f = "Cos (0) . # de TỈ Cos (O). t d. TỈ Cosco) do = 21 0 21 cos() calculate the average cos(0). -ħ² d² do 21 do² 10:52 @ 79% + : 5 9 +

Draw scale vector diagrams to represent the states (i) l = 1, ml = +1, (ii) l = 2, ml = 0.

2. Plot 1/A (y-axis) vs 1/n2 (x-axis) for hydrogen and attach your graph to the back of this handout. Excel graphs are not permitted. Your graph should have: a title, proper axis scaling, axes labelled including units, data points shown clearly eg. dot in a circle, best straight line drawn, and the coordinates (x,y) of the points on the straight line chosen to calculate the slope. Never use data points to calculate the slope! Show slope calculation directly on the graph. 3. a) From your graph, calculate the experimental value of R, the Rydberg constant. (Note- this is the absolute value of your slope): b) Based on the theoretical value of R, 1.0974 x 107 m1, calculate your % error:

The conversion of light into electricity from a metal surface is called the ____ effect.     Photoelectric     Electromagnetic     Entropy     Heisenberg     Uncertainty

12. A particle is confined to a one-dimensional box of length L having infinitely high walls and is in its lowest quantum state. Calculate (x), (x²), (p), and (p²). Use the definition of the uncertainty oa Of measurement A to verify the Heisenberg uncertainty principle for these two observables.

Estimate the lifetime (in picoseconds) of a quantum state that gives rise to a line of width 1.73 cm-1. Ans = _______ ps

3. Verify that the wave function p(x) = Ae-[(ku)¹/² x²/(zh)] (where 4. m. and kare A, m, all constants) is a solution to the Schrodinger equation ħ² d² 1-2 u |- ²2μ dx² + ½kx²] p(x) = Eq(x), and find the energy in terms of m, and k. j 2 horva Guation BossMabay

The 2005 Nobel Prize in Physics was given, in part, to scientists who had made ultrashort pulses of light. These pulses are important in making measurements involving very short time periods. One challenge in making such pulses is the uncertainty principle, which can be stated with respect to energy and time as delta(E).delta(t)>-h/4pi               .What is the energy uncertainty (delta E) associated with a short pulse of laser light that lasts for only 5.0 femtoseconds (fs)? Suppose the low-energy end of the pulse had a wavelength of 722 nm. What is the wavelength of the high-energy end of the pulse that is limited only by the uncertainty principle?

A is any type of matter that can support a wave. matter medium energy amplitude O O O O

For a particle in a two-dimensional box with sides of equal lengths, draw rough sketches of contours of constant || for the states (a) nx=2, ny=1; (b) nx =2, ny=2. At what points in the box is || a maximum for each state?

10. A particle of mass m is confined to move in one dimension on the domain 0 < x < ∞, and its quantum state is associated with the wavefunction (x) = Næe-ar where N is the normalization and a is a constant having units of inverse length. Normalize the wavefunction and derive an expression for (1/2) for the particle. Answer ²6° N² 2! (2a)³ x²2e-2ax dx = N², N = 2a³/2 = N² 4a³ = 1

The transition for the cadmium 228.8-nm line is a ¹So-¹S₁ transition. Calculate the ratio of N/N₁ at 2100 and 2500 K. Given that the degeneracy of the ground state is 1 and the degeneracy of the excited state is 3. (Velocity of light 3.00 x = 1010 cm/s, Planck's constant 6.63 x 10-34 J s and Boltzmann constant = 1.38 x = 10-23 J/K).

What is the frequency observed with a wavelengh of (4.0x10^-7) m? Answer with 2 significant figures and it must be in scientific notation. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10

Humans have three types of cone cells in their eyes, which are responsible for color vision. Each type absorbs a certain part of the visible spectrum. Suppose a particular cone cell absorbs light with a wavelength of 577.nm. Calculate the frequency of this light. Round your answer to 3 significant digits. || THz Ar x10 Continue Submit Assignment 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility esc 80 D00 DOD DD F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 @ # $ & ( ) 1 2 3 4 5 6 7 8 云

Thank you ....please help me with number 3band 4

What is the minimum uncertainty in the position of a bullet of mass 5.0 g that is known to have a speed somewhere between 350.000001 m s-1 and 350.000000 m s-1?

Aspirin has a conjugated (pi) system and can be treated using the particle in a box model.A. Assuming the box has a length of 300 pm ( 1 pm = 10^-12 m) and contains 4 electrons. Calculate the lowest energy electronic transition ΔE from n=1 --> n =2. B. If the electron moves at 2000 km/s, what is the de brolgie wavelentgh?   C. should this system be treated using quantum mechanics? Justify using de broglie wavelength.

If n = 5, what is the maximum allowed value for {? 1 6. C 9. + +/- х 100 2. LO 4.

The frequency factor is 8.3×10⁸dm³

The question is asking you to determine the ground state spectral term of the doubly ionized state (Si III) of the element 14_Si.

What is the frequency observed with a wavelengh of (4.9x10^2) nm? Answer with 2 significant figures and it must be in scientific notation. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer

The Following lamp can be used for Ultraviolet and visible Spectrophotometric measurements: Mercury H2 D2 All None Xe