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MCQ's Test For Physics ECAT Pre Engineering Chapter 19 Dawn of Modern Physics
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 19 Dawn of Modern Physics
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Total Questions15
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Time Allowed20
Physics ECAT Pre Engineering Chapter 19 Dawn of Modern Physics
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Question # 1
the dilation of time applies to the timing processes which are:
Question # 2
When a position comes close to an electron they annihilate into
Question # 3
The threshold frequency of sodium is 6 x 106MHz. The cut-off wavelength for this metal will be
Question # 4
According to the special theory of relativity
Question # 5
Strictly speaking, the earth is:
Question # 6
In order to produce pair production, a photon must have a energy
Question # 7
The stopping voltage for a certain metal is 100 volts, then the work function for the cathode plate is
Question # 8
The value of threshold frequency for different metals is
Question # 9
When platinum wire is heated, it appears cherry red at
Question # 10
Pair production is the phenomenon in which
Question # 11
The Einstein's changes in length, mass and time are not observed in common life because
Question # 12
When a platinum wire is heated, it appears yellow at
Question # 13
Albert Einstein got the Nobel prize in physics for his explanation of photoelectric effect in
Question # 14
The nature of radiations emitted by a hot body depends upon its:
Question # 15
The photoelectric effect, the maximum energy of photoelectrons depends on the
Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 19 Dawn of Modern Physics MCQs Online With Answers
Top Scorers Of Physics ECAT Pre Engineering Chapter 19 Dawn of Modern Physics MCQ`s Test
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F Farzand Shah Farzand Shah 01 - Jun - 2024 01 Min 03 Sec 60/60 -
D David Navid 28 - Mar - 2024 02 Min 29 Sec 60/60 -
M Maryam afzal Maryam afzal 25 - May - 2024 09 Min 18 Sec 60/60 -
A Arian Ahmed 09 - Mar - 2024 00 Min 27 Sec 55/60 -
C Chhabibullah1492 Habib 06 - Mar - 2024 05 Min 29 Sec 55/60 -
H Huzaifa Asim 26 - May - 2024 09 Min 46 Sec 55/60 -
B Bilal Javed 02 - Jun - 2024 03 Min 49 Sec 50/60 -
A Abdullah Zubair 08 - Jan - 2025 04 Min 17 Sec 50/60 -
M Muhammad Sufyan 01 - Jun - 2024 00 Min 08 Sec 45/60 -
M Maida Naveed 24 - May - 2024 03 Min 14 Sec 45/60 -
U umaima mubashar 31 - May - 2024 06 Min 17 Sec 45/60 -
F Fiza Saleem 03 - Dec - 2024 09 Min 36 Sec 45/60 -
T Tamshi Sohail 02 - May - 2024 03 Min 48 Sec 40/60 -
R rubina kousar 01 - Jun - 2024 04 Min 22 Sec 40/60 -
J Javeria Rajput 03 - Jun - 2024 05 Min 50 Sec 40/60
Test Questions
