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FSC Part 2 Physics
Chapter 20 Test
Start Chapter 20 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 20 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 20 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 20 Online MCQ's Test
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Question # 1
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 2
The longest wavelength of Paschen series is.
Question # 3
The shortest wave length is Bracket series has wave length.
Question # 4
The rest mass x ray photon is
Question # 5
Helium-Neon laser discharge tube contains neon
Question # 6
Kx -Xrays are produced due to transition of electron from.
Question # 7
Which is not characteristic of Laser.
Question # 8
The energy of 4th Orbit in hydrogen atom is.
Question # 9
A° is the unit of:
Question # 10
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 11
In according with Bohr's theory the K.E of the electron is equal to:
Question # 12
1 rad =
Question # 13
For Paschen series, the value of 'n' starts from
Question # 14
When an electron in an atom goes from a lower to higher orbit its:
Question # 15
Charge on an atom is:
Question # 16
X- ray diffraction reveals that these are
Question # 17
Balmer series lies in region of electromagnetic spectrum.
FSC 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 | Which of the following is one of the spectral series of atomic hydrogen? |
A. Brockett series
B. Balmer series
C. P fund series
D. All of above
|
| 2 | 1 rad = |
A. 0.001Gy
B. 0.01Gy
C. 0.1Gy
D. 1.01Gy
|
| 3 | 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
|
| 4 | When an electron in an atom goes from a lower to higher orbit its: |
A. K.E increases , P.E decreases
B. K.E increases , P.E increases
C. K.E decreases , P.E increases
D. K.E decreases , P.E decreases
|
| 5 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
| 6 | Earth orbital speed is |
A. 10 km/s
B. 20 km/s
C. 30 km/s
D. 40 km/s
|
| 7 | The X-rays diffraction with crystal was first studied by |
A. W.H Bragg
B. W.L. Bragg
C. Michelson
D. None of these
|
| 8 | If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is: |
A. 10.2 eV
B. 0 eV
C. 3.4 eV
D. 6.8 eV
|
| 9 | Balmer series lies in region of electromagnetic spectrum. |
A. Infrared
B. Visible
C. Ultraviolet
D. Fra infrared
|
| 10 | The process by which lesser beam can be used to generate 3-dimensional images of objects is called |
A. Holography
B. Geo graphy
C. Tomography
D. Radio graphy
|
Test Questions