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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
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
Question # 2
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 3
Laser can be made by creating.
Question # 4
Kx -Xrays are produced due to transition of electron from.
Question # 5
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 6
The radius of hydrogen atom is:
Question # 7
Production of x rays is reverse process of
Question # 8
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 9
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 # 10
Laser is a device which can produce:
Question # 11
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 12
The unit of Rh is.
Question # 13
Balmer series lies in region of electromagnetic spectrum.
Question # 14
Charge on positron is:
Question # 15
The energy of 4th Orbit in hydrogen atom is.
Question # 16
The series in infrared region is:
Question # 17
1 rem =
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 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 2 | Charge on positron is: |
A. Negative
B. Positive
C. Netural
D. None of these
|
| 3 | Laser is a beam of light which is |
A. Monochromatic
B. Coherent
C. Unidirectional
D. All of these
|
| 4 | The series in visible region is: |
A. Balmer series
B. Pfund series
C. Paschen series
D. None of above
|
| 5 | The temperature of core of nuclear reactor is: |
A. 1100°C
B. 1200°C
C. 1300°C
D. 1400°C
|
| 6 | The rest mass x ray photon is |
A. Infinite
B. Zero
C. 1.67 X-17 kg
D. All of the above
|
| 7 | The radius of 10th orbit in hydrogen atom is. |
A. 0.053 nm
B. 0.53 nm
C. 5.3 nm
D. 53 nm
|
| 8 | The line radiations emitted from by hydrogen filled discharge tube can be analyzed into. |
A. Band spectrum
B. Line spectrum
C. Continuous spectrum
D. Absorption spectrum
|
| 9 | Helium Neon Laser Beam emitted from discharge tube has a colour. |
A. Blue
B. Green
C. Red
D. Black
|
| 10 | 1 rem = |
A. 0.001 SV
B. 0.01 SV
C. 0.1 SV
D. 1.01 SV
|
Test Questions