Physics FSC Part 2 Online MCQ's Test With Answers

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Physics FSC Part 2 Online MCQ's Test

Sr. # Questions Answers Choice
1 Presence of dielectric always. Increase the electrostatic force Reduces the electrostatic force Do not effect electrostatic force Doubles the electrostatic force
2 Low level radiations effects Less of hair Ulceration Drop of white blood cells All
3 In Wilson cloud chamber, if tracks are thick, straight and continuous, then particle is a-particles ß-particles Y-rays All
4 The energy of photon for photoelectric effect is less than 1 MeV 2 MeV 5 MeV 8 MeV
5 The mass spectrum of naturally occurring neon, showing 1 isotope 2 isotope 3 isotope 4 isotope
6 One joule of energy absorbed per kilogram of a body is Roentgen Grey Rem Curie
7 The potential difference between the top and bottom of a cloud chamber is of the order of 290 v 400 v 1 kv None of above
8 In Wilson cloud chamber, ß-particles leave Thin and continuous tracks Thick and continuous tracks No tracks Thin and discontinuous tracks
9 The first atomic reactor was introduced by Currie Enrico Fermi Newton Bohr
10 The SI unit of decay constant is m m<sup>-1</sup> S<sup>-1</sup> Nm<sup>-1</sup>
11 The radioactive decay obeys the law
12 Radioactivity happen due to the disintegration of Nucleus Mass Electrons Protons
13 1 amu is equal to 1.0606 x 10<sup>-27</sup> kg 1.66 x 10<sup>-31</sup> kg 1.66 x 10<sup>-34</sup> kg 1.66 x 10<sup>-19</sup> kg
14 The early Greeks believed that matter waves was Discrete Continuous Both continuous and discrete All of above
15 Charge on an electron was determined by Ampere Millikan Maxwell Bohr
16 The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is 1972 1965 1958 1913
17 Helium-Neon laser discharge tube contains neon 82% 15% 25% 85%
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