BSC Physics Previous Year Question Papers. We covered all the BSC Physics Previous Year Question Papers MCQs in this post for free so that you can practice well for the exam.
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BSC Physics Previous Year Objective Question Papers for Students
Davisson and Germer’s experiment proved
a. diffraction of electrons
b. existence of electrons
c. existence of nucleus
d. none of the above
Option a – diffraction of electrons
The possible number of values of the magnetic orbital quantum number for the orbital quantum number l is
a. 2l + 1
b. 2l
c. 2l – 1
d. 2l – 2
Option a – 2l + 1
The absorption of X-rays in a given material follows
a. an exponential curve
b. a straight line
c. a parabola
d. none of the above
Option a – an exponential curve
The second line of the Balmer series has a wavelength of 4851 Å. The wavelength of the first line will be
a. 6562 Å
b. 6000 Å
c. 7718 Å
d. 5619 Å
Option a – 6562 Å
X-rays can be used
a. To detect flaws in casting and welding
b. To detect heavy elements
c. For boring, cutting, and welding
d. None of the above
Option a – To detect flaws in casting and welding
The transition emitted photons of the highest frequency in a hydrogen atom is
a. j = 4 to j = 2
b. j = 1 to j = 2
c. j = 2 to j = 4
d. j = 2 to j = 1
Option a – j = 4 to j = 2
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