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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
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Question # 1
For Holography we use
Question # 2
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 3
The energy of 4th Orbit in hydrogen atom is.
Question # 4
The following gas was identified in the sun using spectroscopy
Question # 5
Earth orbital speed is
Question # 6
Production of x rays is reverse process of
Question # 7
If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is:
Question # 8
The series in visible region is:
Question # 9
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 10
Balmer series lies in
Question # 11
The first spectral lines were discovered in 1885, were
Question # 12
Which series lies in the ultraviolet region.
Question # 13
Hydrogen atom spectrum does not lie in
Question # 14
1 rem =
Question # 15
An atom can reside in excited state for
Question # 16
Laser can be made by creating.
Question # 17
The process by which lesser beam can be used to generate 3-dimensional images of objects is called
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 | The energy of 4th Orbit in hydrogen atom is. |
A. -2.51 eV
B. -3.50 eV
C. -13.60 eV
D. -0.85 eV
|
| 2 | The value of Rydberg constant is |
A. 1.0974 x 107 m-1
B. 1.0974 x 10-7 m-1
C. 1.0974 x 106 m-1
D. 1.0974 x 10-6 m-1
|
| 3 | Which series lies in the ultraviolet region. |
A. Balmer series
B. Bracket series
C. Ptund series
D. Lyman series
|
| 4 | The shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 5 | Bremsstrahlung radiation are examples of |
A. Atomic spectra
B. Molecular spectra
C. Continuous spectra
D. Discrete spectra
|
| 6 | Charge on positron is: |
A. Negative
B. Positive
C. Netural
D. None of these
|
| 7 | The Balmer series is obtained when all the transition of electrons terminate on |
A. 1st orbit
B. 2nd orbit
C. 3rd orbit
D. 4th orbit
|
| 8 | 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
|
| 9 | Hydrogen atom spectrum does not lie in |
A. Ultraviolet region
B. Visible region
C. Infrared region
D. X ray region
|
| 10 | The series in visible region is: |
A. Balmer series
B. Pfund series
C. Paschen series
D. None of above
|
Test Questions