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#Question id: 20206
#XL - P Chemistry
If the speed of electron in Bohr first orbit of hydrogen atom be x, then speed of the electron in 3rd orbit is
TLS Online TPP Program
#Question id: 20207
#XL - P Chemistry
If wavelength of photon is 2·2 × 10 – 11m, h = 6·6 × 10–34 Js, then momentum of photon is
TLS Online TPP Program
#Question id: 20208
#XL - P Chemistry
The wave number of first line of Balmer series of hydrogen is 15200 cm–1. The wave number of the first Balmer line of Li1+ ion is
TLS Online TPP Program
#Question id: 20209
#XL - P Chemistry
Which of the following is violation of Pauli’s exclusion principle ?
TLS Online TPP Program
#Question id: 20210
#XL - P Chemistry
The electrons, identified by quantum number n and (i) n = 4, = 1 (ii) n = 4, = 0 (iii) n = 3, = 2 (iv) n = 3, = 1 can be placed in order of increasing energy, from the lowest to
highest, as
TLS Online TPP Program
#Question id: 20211
#XL - P Chemistry
The wave length associated with a golf ball weighing 200 g and moving at a speed of 5 m/h is of the order