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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
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 2
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 3
For Holography we use
Question # 4
Electron volt is unit of:
Question # 5
An atom can reside in excited state for
Question # 6
Which series lies in the ultraviolet region.
Question # 7
Charge on positron is:
Question # 8
In an electronic transition atom cannot emit.
Question # 9
Laser is a beam of light which is
Question # 10
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 11
_____ has the largest de Broglie wavelength at same speed.
Question # 12
The temperature of core of nuclear reactor is:
Question # 13
The process by which lesser beam can be used to generate 3-dimensional images of objects is called
Question # 14
Boher proposed his atomic model in:
Question # 15
Earth orbital speed is
Question # 16
When an electron in an atom goes from a lower to higher orbit its:
Question # 17
The longest wavelength of Paschen series is.
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 | 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
|
| 2 | The unit of Rh is. |
A. ms-1
B. m
C. m2
D. m-1
|
| 3 | Paschen series lies in the |
A. Far ultraviolet region
B. Visible region
C. Ultraviolet region
D. Inferred region
|
| 4 | 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
|
| 5 | 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
|
| 6 | 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
|
| 7 | 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
|
| 8 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
| 9 | Radius of first Bohr's orbit is. |
A. 0.053 nm
B. 0.053 mm
C. 0.053 micro meter
D. 0.053 m
|
| 10 | The radius of hydrogen atom is: |
A. 0.53A°
B. 0.053A°
C. 0.53 x 10-9
D. 0.053 x10-9
|
Test Questions