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 When the K.E. of photoelectric is zero, the frequency of incident photon is. Less than greater than Equal to Much greater
2 The energy of photon is givne by mv2/2 hf Va e mac<sup>1</sup>
3 Who explained the photo electric effect. Max Plank Einstein Henry Rutherford
4 The maximum kinetic energy of emitted photo electrons depends upon. The intensity of incident light Frequency of the incident light Metal surface Both frequency of incident light and metal surface.
5 The unit of Plank's constant 'h' is. JC J/C JS J/S
6 unit of Plank's constant is same as that of. Acceleration Angular momentum Linear momentum Entropy
7 Joule second is the unit of. Energy Wein's constant Planck's constant Boyle's law
8 The dimensions of Plank's constant is same as that of. Energy Power Acceleration Angular momentum
9 When platinum wire is heated, it changes to cherry red at temperature. 500<sup>o</sup>C 900<sup>o</sup>C 1100<sup>o</sup>C 1300<sup>o</sup>C
10 Energy of Black body radiation depends upon Nature of surface of body Nature of material of body Shape and size of body Temperature of the body
11 Platinum wire becomes white at a temperature of. 1600<sup>o</sup>C 1300<sup>o</sup>C 1100<sup>o</sup>C 900<sup>o</sup>C
12 When platinum is it becomes orange at. 500<sup>o</sup>C 900<sup>o</sup>C 1100<sup>o</sup>C 1300<sup>o</sup>C
13 When platinum is it becomes orange at 500<sup>o</sup>C 900<sup>o</sup>C 1100<sup>o</sup>C 1300<sup>o</sup>C
14 Platinum wire becomes yellow at a temperature of. 900<sup> o</sup>C 1300<sup>o</sup>C 1600<sup>o</sup>C 500<sup>o</sup>C
15 By modern system of NAVSTAR, the speed any where on the earth can be determined to accuracy about. 20 ms-1 10 ms-1 2 cms-1 2 ms-1
16 1 kg mass will be equivalent to energy. 9 x 10<sup>8</sup> J 9 X 10<sup>12</sup> J 9 X 10<sup>16</sup> J 9 X 10<sup>19</sup> J
17 The special theory of relativity based on. One postulate Two postulates Three postulates Four postulates
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