1
AP EAPCET 2021 - 20th August Evening Shift
MCQ (Single Correct Answer)
+1
-0
If the work function for the photoelectron emission of a metal is 3.75 eV, then the threshold wavelength of the radiation needed for the ejection of the electron is approximately
2
AP EAPCET 2021 - 20th August Evening Shift
MCQ (Single Correct Answer)
+1
-0
With increasing principal quantum number, the energy difference between adjacent energy levels in $$\mathrm{H}$$-atom ............ .
3
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0
The number of protons, neutrons and electrons in $$_6^{13}$$C respectively are
4
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0
The masses of an electron, a proton and a neutron respectively will be n the ratio
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