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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
An atom can reside in excited state for
Question # 2
The first orbit in the hydrogen atom has a radius.
Question # 3
Reflecting mirrors in laser is used to
Question # 4
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 5
1 rem =
Question # 6
Black Body radiation spectrum is an example of:
Question # 7
For Holography we use
Question # 8
The 1st Bohr atom in the hydrogen atom has radius
Question # 9
X- ray diffraction reveals that these are
Question # 10
Laser is a device which can produce:
Question # 11
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 12
The first spectral lines were discovered in 1885, were
Question # 13
Which series lies in the ultraviolet region.
Question # 14
The series in infrared region is:
Question # 15
Charge on positron is:
Question # 16
Laser can be made by creating.
Question # 17
The first theory about the structure of an atom was introduced by
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 | Target material used in x-rays tube have following properties. |
A. High atomic number and high melting pouint
B. High atomic number and low melting pouint
C. Low atomic number and low melting pouint
D. High atomic number only
|
| 2 | 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
|
| 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 | Which of the following series of hydrogen spectrum lies in ultra violet region. |
A. Lyman sereis
B. Paschen series
C. Balmar series
D. Bracket series
|
| 5 | The shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 6 | 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
|
| 7 | The velocity of electron moving is 1st orbit of hydrogen atom is: |
A. 2.09 x 106 ms-1
B. 2.18 x106 ms-1
C. 2.19 x 106 ms-1
D. 3.18 x106 ms-1
|
| 8 | Charge on an atom is: |
A. Positive
B. Negative
C. Neutral
D. None of these
|
| 9 | Paschen series lies in the |
A. Far ultraviolet region
B. Visible region
C. Ultraviolet region
D. Inferred region
|
| 10 | Laser can be made by creating. |
A. Meta stable
B. Population inversion
C. Excited state
D. All of these
|
Test Questions