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MCQ's Test For MDCAT Physics Chapter 15 Modern Physics MCQ's Test
Try The MCQ's Test For MDCAT Physics Chapter 15 Modern Physics MCQ's Test
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Total Questions20
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Time Allowed20
MDCAT Physics Chapter 15 Modern Physics MCQ's Test
00:00
Question # 1
Interference and diffraction of light confirms its:
Question # 2
The unit Compton wavelength is same as:
Question # 3
Compton Effect makes the use of the law of conservation of:
Question # 4
Davisson and Germer, in their experiment used:
Question # 5
Interference and diffraction confirm:
Question # 6
De-Broglie received the Nobel prize in
Question # 7
Which of the particles, electron, proton and neutron moving with same speed has longest wave length?
Question # 8
J.J Thomson finds:
Question # 9
In a photocell, sodium and potassium emit electrons for:
Question # 10
Davisson and Germer received the Nobel prize for their work on:
Question # 11
In a photocell, certain metal emits electrons for :
Question # 12
In photoelectric effect, if we increase the frequency of the incident light then of the electrons increased
Question # 13
The reverse process of photo-electric effect is called:
Question # 14
The photoelectric effect was explained by:
Question # 15
Photo cells are used for :
Question # 16
The number of electrons emitted depend upon
Question # 17
The maximum energy of the photoelectrons can be determined by making the:
Question # 18
In photoelectric effect, electrons are emitted with:
Question # 19
Photo cells is a device which convert light into:
Question # 20
Photoelectric effect and Compton effect prove the:
Top Scorers Of MDCAT Physics Chapter 15 Modern Physics MCQ's Test MCQ`s Test
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M Minahil Fatima 03 - May - 2023 00 Min 02 Sec 20/20 -
A ammara habib 10 - Jul - 2023 00 Min 07 Sec 19/20 -
D Dania 07 - Jan - 2023 08 Min 39 Sec 18/20 -
R Rose Lily 28 - May - 2023 04 Min 12 Sec 17/20 -
A Afifa Butt 21 - Mar - 2023 05 Min 26 Sec 15/20 -
N Nemo Remo 18 - Feb - 2023 05 Min 59 Sec 15/20 -
M Meer Sadeed 23 - Aug - 2023 10 Min 50 Sec 15/20 -
M Mehwish Abdul Sattar 25 - May - 2023 05 Min 09 Sec 14/20 -
B Bader Rasool 13 - Jun - 2023 05 Min 44 Sec 14/20 -
H hamza abid 04 - Sep - 2023 10 Min 50 Sec 14/20 -
S Shabana khan 17 - Apr - 2023 04 Min 42 Sec 12/20 -
S Sham ali 15 - Mar - 2023 05 Min 59 Sec 12/20 -
N nav wali 02 - Nov - 2022 04 Min 32 Sec 11/20 -
M Muhammad Hamza 01 - Jul - 2023 04 Min 44 Sec 11/20 -
R Rubab Fatima 10 - Nov - 2022 08 Min 34 Sec 11/20
MCAT Physics Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Diffraction pattern has also been observed for: |
A. Proton
B. Neutron
C. Hydrogen atom
D. All of them
|
| 2 | A human eye can detect the electromagnetic radiations of the type: |
A. Infrared radiations
B. For- infrared radiations
C. X-rays radiations
D. Red radiations
|
| 3 | The maximum kinetic energy of emitted photoelectrons depends upon: |
A. The intensity of incident light
B. Frequency of incident light
C. Metal surface
D. Both frequency of incident light and metal surface
|
| 4 | The minimum energy required by an electron to eject from metal surface is known as: |
A. Photo energy
B. Critical energy
C. Threshold energy
D. Work function
|
| 5 | The stopping potential for a certain metal is 10 volt, the max. Energy of emitted electron is: |
A. 10 J
B. 100 J
C. 1.6 × 10-18 J
D. 1.6 × 10-19 J
|
| 6 | Photo cells is a device which convert light into: |
A. Wave nature
B. Particle nature
C. Particle wave nature
D. Dual nature
|
| 7 | Photo cells are used for : |
A. Security and counting system
B. Automatic door system
C. Automatic street lighting
D. All of these
|
| 8 | Interference and diffraction of light confirms its: |
A. Particle nature
B. Dual nature
C. Wave nature
D. Electromagnetic nature
|
| 9 | In a photocell, cesium coated oxidized silver emits electrons for : |
A. Visible light
B. Infrared light
C. Ultraviolet light
D. All of these
|
| 10 | The energy of photon of energy 1 eV is: |
A. 1240 nm
B. 1040 nm
C. 1000 nm
D. 620 nm
|
Test Questions
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