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ECAT General Science Physics Ch. 19 Test
MCQ's Test For ECAT Pre General Science Physics Chapter 19 Dawn of Modern Physics Online Test
Try The MCQ's Test For ECAT Pre General Science Physics Chapter 19 Dawn of Modern Physics Online Test
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Total Questions30
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Time Allowed30
ECAT Pre General Science Physics Chapter 19 Dawn of Modern Physics Online Test
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Question # 1
Which of the following phenomenon proves the particle nature of light
Question # 2
The whole shape of the black body spectrum for all wavelengths was explained by the formula proposed by
Question # 3
According to the Max plank, energy is redialed or absorbed in
Question # 4
Pair production is the phenomenon in which
Question # 5
When a platinum wire is heated, it appears white at
Question # 6
In process of annihilation of matter, the two photons produced move in opposite direction to converse
Question # 7
S.I. unit of planks constant is
Question # 8
The value of the plank's constant 'h' is given by
Question # 9
When a platinum wire is heated, it appears yellow at
Question # 10
According to the electromagnetic wave theory of light, increasing the intensity of incident light should increase the
Question # 11
A particle of mass 5.0 mg moves with a speed of 8.0 m/s. Its de-Brogile wavelength is
Question # 12
When a high energy photon interact with a metal, which of the following effect is most likely to be taken place
Question # 13
Current, voltage, resistance measuring circuit is connected with the galvanometer with the help of switch, known as
Question # 14
The length contraction happens only
Question # 15
The threshold frequency of sodium is 6 x 106MHz. The cut-off wavelength for this metal will be
Question # 16
de-Broglies hypthesis was experimentally verified by
Question # 17
The location and speed anywhere on earth can now be determined using relativistic effects by NAVISTAR to an accuracy of
Question # 18
In the compton's effect, it is found that the wavelength of incident x-rays is
Question # 19
Max plank received the Nobel Prize in physics for his discovery of energy quanta in
Question # 20
According to Einstein, with the great increase in the speed of the body, the relativistic mass of the body
Question # 21
When low energy photon interact with a metal,which of the following effect is likely to be taken place
Question # 22
Momentum is a parameter associated with
Question # 23
The value of threshold frequency for different metals is
Question # 24
According to Einstein, with the great increase in the speed of the body the relativistic length of the body
Question # 25
If you are moving at relativistic speed between two points that are a fixed distance apart, then the distance between the two points appers
Question # 26
Compton was awarded Nobel prize in physics in
Question # 27
As the light shines on the metal surface, the electrons are ejected
Question # 28
The special theory of relativity is based on the
Question # 29
The emission of electrons from a metal surface when exposed to light of suitable frequency is called the
Question # 30
When platinum wire is heated, then at the temperature of 500 oC, it becomes:
ECAT Pre General Science Physics Chapter 19 Test
Here you can prepare ECAT Pre General Science Chapter 19 Dawn of Modern Physics Test. Click the button for 100% free full practice test.
Top Scorers Of Chapter 19 "ECAT Pre General Science Physics Chapter 19 Dawn of Modern Physics Online Test" MCQ`s Test
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A Asghar Ali 03 - Mar - 2021 10 Min 50 Sec 100/120 -
S shamsuddin 19 - Aug - 2021 10 Min 50 Sec 75/120 -
K khadim Hussain 03 - Mar - 2021 10 Min 50 Sec 75/120 -
A Ali ahmad 19 - Jul - 2018 09 Min 44 Sec 70/120 -
A Aarij 08 - Dec - 2024 02 Min 25 Sec 65/120 -
W Waleed Ahmed 26 - Feb - 2023 10 Min 00 Sec 65/120 -
Z Ziyad Rehman Sheikh 16 - Nov - 2022 07 Min 21 Sec 40/120 -
M maha 01 - Mar - 2023 04 Min 24 Sec 35/120
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