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The figure shows the wave function of an electron trapped in a well of infinite potential. The electron has an energy of 3.40 eV.
(a) How wide is the potential well?
(b) What is the smallest length of a photon emitted when the electron returns to its ground state?
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- (a) Write each of the following vectors in component form: A y 3 m/s x 2) 250 5m x 60º 7 m B (ii) (111) x (b) Find the magnitude and the angle of each of the following vectors. Express the angle as an angle less than 90° measured from the positive or negative x-axis. i) P = — 3x + 4ý ii) 5 = 23.6 x – 72.99Vector u = <-7,3,5> and vector v = <-1,1,0>. Find (vector u+v) X vector v.b) Draw direction vectors in unit cells for the following cubic directions: i) (241) ii) (3 I 3) iii) (6 4 I) iv) (0.2.3)
- 47. Write as a single integral in the form f(x) dx: f(x) dx + f(x ) dx -f(x) dxGiven the following information, find the unit vector of Force AForce A = 200 NΘ = 30o (on x-y plane)Φ = 50o (on x-z plane)Two vectors are given by A = 3 1 + 61 and B = -1 1 + 2 ĵ. (a) Find A x B. k (b) Find the angle between A and B.
- can you plz solve (a) and (b) both question?5. Find the magnitude R of vectors A and B lying in the xy plane and given by: (show solution) A = (2.01 + 2.0f)m and B = (2.01 – 4.05)mConsider two vectors A = -9.88 i + 1.47 k and B = 2.4 j+ 0.49 k. Find the angle o between these two vectors. Express your answer in two decimal places.
