Atomic Physics

Q: in photoelectri effect,the number of electrons ejected is

(a) :  proportional to the number of incident light quanta
(b) :  inversely proportinonal to the number of incident light quanta
(c) :  both (a) and (b)
(d) :  none of these
(e) :  None of the Above
Answer:  proportional to the number of incident light quanta
Explanation:  

Q: compton scattering is called because

(a) :  most electron in matter are effectively free
(b) :  electrons are at rest in matters
(c) :  most electron in matter are effectively free and at rest
(d) :  none of these
(e) :  None of the Above
Answer:  most electron in matter are effectively free and at rest
Explanation:  

Q: in the compton equation,the quatity h/mₒC is known as

(a) :  compton coefficient
(b) :  compton wavelength
(c) :  compton veriable
(d) :  compton constant
(e) :  None of the Above
Answer:  compton wavelength
Explanation:  

Q: the photoelectric equation deduce by einstine is

(a) :  1/2mv²=hv*A
(b) :  1/2mv²=hv+A
(c) :  1/2mv²=hv-A
(d) :  1/2m²=hv/A
(e) :  None of the Above
Answer:  1/2mv²=hv-A
Explanation:  

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