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A cricket ball of 0.5 kg is moving with a velocity of 100 m/ sec . The wavelength associated with its motion is:
(1) 1/ 100cm
(2) 6.6 x10 -34m
(3) 1.32 x 10 -35 m
(4) 6.6 x 10 -28 m
Ans: 1.32 x 10 -35 m
Which of the following configuration is correct for iron : (1) 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 6 ,, 3d 5 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 6 , 4s 2 , 3d 5 (3)
What did thomson''s model of an atom look like, when did he discover the atom, where did he discover it, how did he, who helped him, when did he die, how did he die??????
Disinfectants: The chemical substances that are employed to kill microorganisms although they cannot be applied on living tissues are known as disinfectants. Hence, disinfectan
Define the term - Extrusion It is a metal working process that produces long lengths of uniform cross sectional area from a metal billet by causing the latter to flow under h
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All electrons on the 4p sub-shell must be characterized by the quantum number(s): (1) n=4, m= 0, s= ± 1/2 (2) l=1 (3) l=0, s= ± 1/2
sketch of a polarographic current potential curve
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The magnetic quantum number for valency electrons of sodium is: (1) 3 (2) 2 (3) 1 (4) 0 Ans: 0
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