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For an electron if the uncertainty in velocity is Δ v , the uncertainty in its position( Δ x ) is given by:
(1) hm/ 4 Π Δ b
(2) 4 Π / hm Π v
(3) h/ 4 Π Π b
(4) 4 Π m / h Δ v
ans: h/ 4 Π Δ b
what is eld
Drugs or Medicines from plants 1. Bark of willow tree that consists of salicylic acid. It is employed to take relief from fever and pain. 2. Alkaloid Reserpine that is taken
conclusion for assignment on topic applications of colloids
Calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light: (1) 2.73 x 10- 24 (2) 2.42 x 10 -10 (3) 242.2x 10- 10
#question.what is the diff b/w reso and mesomerism.
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A covalent bond between two atoms is formed by which of the following: (1) Electron nuclear attraction (2) Electron sharing (3) Electron transfer (
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Q. What is Activation Energy? Ans. Colliding molecules which overcome the activation energy form an activated complex. In the activated complex, original bonds are partial
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