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ICS Part 2 Physics
Chapter 20 Test
Start Chapter 20 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 20 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 20 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 20 Online MCQ's Test
00:00
Question # 1
An atom can reside in excited state for
Question # 2
Study of hydrogen visible spectrum in
Question # 3
For Paschen series, the value of 'n' starts from
Question # 4
X- ray diffraction reveals that these are
Question # 5
Which of the following is one of the spectral series of atomic hydrogen?
Question # 6
The value of Rydberg constant is
Question # 7
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 8
In an electronic transition atom cannot emit.
Question # 9
The first orbit in the hydrogen atom has a radius.
Question # 10
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 11
Laser is a beam of light which is
Question # 12
Boher proposed his atomic model in:
Question # 13
The series in infrared region is:
Question # 14
Life time of metastable states is
Question # 15
1 rad =
Question # 16
The temperature of core of nuclear reactor is:
Question # 17
The following gas was identified in the sun using spectroscopy
ICS Part 2 Physics Chapter 20 Online Test MCQ's
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Life time of metastable states is |
A. 10-6 sec or more
B. 10-3 sec or more
C. 10-5 sec or more
D. None of these
|
| 2 | The typical nuclei are less than: |
A. 10-16m
B. 10-14m
C. 10-12m
D. 10-10m
|
| 3 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
| 4 | Photons emitted in inner shell transition are. |
A. Continuous X -rays
B. Discontinuous X rays
C. Characteristic X rays
D. Energetic X rays
|
| 5 | In Helium Neon laser, the discharge tube is filled with |
A. 80% He, 20% Neon
B. 85% He, 15% Neon
C. 83% He, 17% Neon
D. 90% He, 10% Neon
|
| 6 | Laser is a device which can produce: |
A. Intense beam of light
B. Coherant beam of light
C. Monochromatic beam of light
D. All of the above
|
| 7 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
| 8 | Charge on positron is: |
A. Negative
B. Positive
C. Netural
D. None of these
|
| 9 | The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is |
A. 1972
B. 1965
C. 1958
D. 1913
|
| 10 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
Test Questions