3.C] The kinetic energy of an electron is equal to the energy of a photon with a wavelength of 560 nm. Calculate the de Broglie wavelength of the electron. Answer:-
6.C] Compare the acceptance angle of an optical fiber placed in air and water given the RI of water 1.33 and the RI of core and clad 1.5 and 1.45…
3.C] A particle having a mass of 0.5MeV/c2 has a kinetic energy of 100 eV. Calculate the de Broglie wavelength, where c is the velocity of light. Answer:-
5.C] Calculate the number of photons emitted per pulse of duration 1 microsecond given the power output of LASER 3 mW and the wavelength of laser 632.8 nm. Answer:-
10.C] Determine the crystallite size given the Wavelength of X-Rays 10 nm , the Peak Width 0.5 °and peak position 25 ° for a cubic crystal given K = 0.94.…
8.B] Find the support reactions for the beam as shown in figure. Answer:-
7.B] Analyse the truss as shown in figure, by methods of joints. Answer:-
6.C] Find the polar radius of gyration for the area as shown in figure Answer:-
5.B] Locate the centroid of the shaded area as shown in figure Answer:-
4.C] Knowing that WA = 80N and θ = 400, Determine the smallest and largest value of WB for which the system is in equilibrium, refer fig. Q4 (c). Take…
