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If wavelength of photon is 2.2x10 -11 m, h= 6.6x 10 -34 J-sec, then momentum of photon is: (1) 3x 10 -23 kgms -1 (2) 3.33x 10 22 kgms -1 (3) 1.452x 10-
if the electon in hydrogen atom is exited to n=5 the number of diffrent frequency of radiations which may be exited is
What will be the mole fraction of 98% pure H2SO4 in 1 liter solution which has density 1.85gm/ml at ntp?
Which of the following pairs of species has same electronic configuration: (1) Zn 2 and Ni 2+ (2) Co +3 and Ni 4 (3) Co 2+ and Ni
can dipole induce dipole forces present between non polar atom?
Explain trend in variation of the atomic size properties from Boron and Thallium
Highest melting point would be of: (1) He (2) CsCl (3) NH 3 (4) CHCl 3 Ans: CsCl
Quantitative analysis by Flame Photometry?
what is the difference between molarity and normality
electrode system
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