Physics FSC Part 2 Online MCQ's Test With Answers

image
image
image

Physics FSC Part 2 Online MCQ's Test

Sr. # Questions Answers Choice
1 The temperature of core of nuclear reactor is: 1100°C 1200°C 1300°C 1400°C
2 The typical nuclei are less than: 10<sup>-16</sup>m 10<sup>-14</sup>m 10<sup>-12</sup>m 10<sup>-10</sup>m
3 The velocity of electron moving is 1st orbit of hydrogen atom is: 2.09 x 10<sup>6</sup> ms<sup>-1&nbsp;</sup> 2.18 x10<sup>6</sup> ms<sup>-1</sup> 2.19 x 10<sup>6</sup> ms<sup>-1</sup> 3.18 x10<sup>6</sup> ms<sup>-1</sup>
4 The radius of hydrogen atom is: 0.53A° 0.053A° 0.53 x 10<sup>-9</sup> 0.053 x10<sup>-9</sup>
5 The series in infrared region is: Paschen series Bracket series Pfund series All of above
6 The series in visible region is: Balmer series Pfund series Paschen series None of above
7 The value of Rydberg constant is: 1.0749x10<sup>7</sup>m<sup>-1</sup> 1.0974 x 10<sup>7</sup> m<sup>-1</sup> 1.974 x10<sup>6</sup>m<sup>-1</sup> 1.0974 x 10<sup>-7</sup> m<sup>-1</sup>
8 The first spectral lines were discovered in 1885, were Paschen series Balmer series&nbsp; Pfund series Bracket series
9 Black Body radiation spectrum is an example of: Atomic spectra Line spectra Continuous spectra None of above
10 Wave nature of particle was given by: Clemensen Louis de Broglie Laster H. Germer Clinton S. Davisson
11 The most refined form of matter is: Smoke Light Ice Fog
12 The existence of positron was discovered in: 1929 1928 1931 1933
13 The converses of annihilation of matter is: Photoelectric effect Relativistic effect Pair production Compton effect
14 The minimum energy required for occurrence of pair production is: 1.022eV 1.02keV 1.02Me.V 1.04MeV
15 When a very high energy modeules such as y radiation interact with matter, the phenomenon arising will be. Photoelectric effect Compton effect Pair production Annihilation of matter
16 Albert Einstein got noble prize in: 1926 1921 1918 1931
17 Albert Einstein got noble prize for service in: Pair production Annihilation of matter theory Compton effect Photoelectric effect
Download This Set
×