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Saturday, July 3, 2021
Show that circumference of the Bohr orbit for hydrogen atom is an integral multiple of the de Broglie wavelength associated with the electron revolving about that orbit.
(1) The ionization energy of He+ is 19.6 10^18 J atom^1. The energy of the first stationary state of Li+2 will be :
(2) Show that the wavelength of a 150 g rubber ball moving with a velocity 50 m sec^1 is short enough to be observed ..
(3) If an electron is present in n = 6 level. How many spectral lines would be observed in case of H atom ...
(4) Speed of helium atom at 300K is 2.40 x10^2 meter per sec. What is its wave length. (mass number of helium is 4)..
(5) K.E. of the electron is 4.55 x 10^25 J. Its de Broglie wave length is ...
(6) The wavelength associated with a golf ball weighing 200g and moving at a speed of 5m/h is of the order.
(7) The ratio of wave length of photon corresponding to the alphaline of Lyman series in Hatom and Betaline of Balmer series in He+ is
(8) shortest wavelength of He+ ion in Balmer series is x, then longest wavelength in the Paschene series of Li+2 is
(9) The ratio of difference in wavelengths of 1st and 2nd lines of Lyman series in H like atom to difference in wavelength for 2nd and 3rd lines of same series is:
(10) If H+ (ion) is accelerated to a final velocity of 6.62×10+6 meter per second and error in velocity is 1% then find uncertainty in position is?
(11) What is the relation between Total energy (TE), Kinetic energy (KE) and Potential energy (PE) of Bohr's orbits?
Topic:
STRUCTURE OF ATOM:
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