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1.

In the circuit of the figure, V0 isa. -1V b. 2b c. +1V d. +15V

Answer»

The answer is

https://bit.ly/2Pk3i2v
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2.

Inventer of visual basic

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Microsoft Corporation
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3.

What is Hydrogen spectrum ?

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When a hydrogen atom absorbs a photon, it causes the electron to experience a transition to a higher energy level, for example, n = 1,  n = 2. When a photon is emitted through a hydrogen atom, the electron undergoes a transition from a higher energy level to a lower, for example, n = 3, n = 2. During this transition from a higher level to a lower level, there is the transmission of light occurs. The quantized energy levels of the atoms, cause the spectrum to comprise wavelengths that reflect the differences in these energy levels. For example, the line at 656 nm corresponds to the transition n = 3  n = 2.
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