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Diffstat (limited to '3655/CH2/EX2.4')
| -rw-r--r-- | 3655/CH2/EX2.4/Ex2_4.png | bin | 0 -> 50533 bytes | |||
| -rw-r--r-- | 3655/CH2/EX2.4/Ex2_4.sce | 43 |
2 files changed, 43 insertions, 0 deletions
diff --git a/3655/CH2/EX2.4/Ex2_4.png b/3655/CH2/EX2.4/Ex2_4.png Binary files differnew file mode 100644 index 000000000..6f6436f79 --- /dev/null +++ b/3655/CH2/EX2.4/Ex2_4.png diff --git a/3655/CH2/EX2.4/Ex2_4.sce b/3655/CH2/EX2.4/Ex2_4.sce new file mode 100644 index 000000000..850e1a6e2 --- /dev/null +++ b/3655/CH2/EX2.4/Ex2_4.sce @@ -0,0 +1,43 @@ +// Example 2.4 +//computation of (A) minimum speed of electron travelling (B) minimum frequency of photon// +// Page no. 47 + +clc; +clear; +close; + +//Given data +ip=21.5;//ionization potential of neon +e=1.602*10^-19; +m=9.109*10^-31; +v_freespace=2.998*10^8;//velocity of light in free space +planck_const=6.63*10^-34; + + +//..................................(A)......................................// + +//Calculation for velocity of the electron// +v=sqrt((2*ip*e)/m); + +//..................................(B)......................................// + +//Calculation for wavelength of a photon with energy equal to the ionization potential// +lambda=12400/ip; + +//Calculation for frequency of the photon// +f=v_freespace/(lambda*10^-10); + +//Calculation for frequency of the photon using alternate method// +f1=(ip*e)/planck_const; + + +//Displaying the result in command window +printf('\n Velocity of the electron = %0.2f x 10^6 m/sec',v*10^-6); +printf('\n \n Wavelength of a photon with energy equal to the ionization potential = %0.2f A',lambda); +printf('\n \n Frequency of the photon = %0.1f x 10^15 Hz',f*10^-15); + + + + + + |
