- 4Mc
^{2} - 3Mc
^{2} **2Mc**^{2}- Mc
^{2}

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**pc**^{2}/E- E/p
- p
^{2}c^{2}/E - pc/E
- zero

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- Directly proportional to the photoelectric current
- Proportional to the square of the frequency of incident photons
- Determined completely by the properties of the square of metal on which light shines
**None of the above**

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- decrease
- increase
- radius increase and frequency decrease
**frequency increase and radius decrease**

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- 2n + l
- 2n + 2l
**2(2l + 1)**- 2l + 1

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**Emitter**- Base
- Collector
- None of these

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- The wave function of a particle is
**Ψ = ax** - and a particle is limited to the x-axis between
**x = 0 and x = 1** - the wave function of a particle is
**Ψ = 0** elsewhere - find the expectation value
** <x̂>** of the position particle.

- Zero
- a/2
**a**^{2}/4- a
^{2}

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- α, β
^{–}, β^{–}, α, α, α, α, α, β^{–}, β^{–}, β^{+}, α, β^{+},α - What is the value of
**Z** of the resulting nucleus

- 56
**66**- 78
- 82

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- same frequency
- different frequency
**same frequency and have a definite phase relationship**- nearly same frequency

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