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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
00:00
Question # 1
X-rays were discovered by
Question # 2
An atom can reside in excited state for
Question # 3
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 4
Balmer series lies in region of electromagnetic spectrum.
Question # 5
Which of the following is one of the spectral series of atomic hydrogen?
Question # 6
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 7
Earth orbital speed is
Question # 8
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 9
1 rem =
Question # 10
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 11
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 12
Laser is a device which can produce:
Question # 13
For Holography we use
Question # 14
The rest mass x ray photon is
Question # 15
Study of hydrogen visible spectrum in
Question # 16
1 rad =
Question # 17
The following gas was identified in the sun using spectroscopy
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 | If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of. |
A. 3.40 eV
B. 10.20 eV
C. 13.6 eV
D. 3.8 eV
|
| 2 | Reflecting mirrors in laser is used to |
A. Further stimulation
B. For producing more energetic lasers
C. Both (a) and (b)
D. None of these
|
| 3 | 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
|
| 4 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
| 5 | Laser is a beam of light which is |
A. Monochromatic
B. Coherent
C. Unidirectional
D. All of these
|
| 6 | An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case. |
A. 6
B. 5
C. 4
D. 3
|
| 7 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
| 8 | The series in visible region is: |
A. Balmer series
B. Pfund series
C. Paschen series
D. None of above
|
| 9 | Balmer series lies in region of electromagnetic spectrum. |
A. Infrared
B. Visible
C. Ultraviolet
D. Fra infrared
|
| 10 | The temperature of core of nuclear reactor is: |
A. 1100°C
B. 1200°C
C. 1300°C
D. 1400°C
|
Test Questions