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ICS Part 2 Physics
Chapter 20 Test
Start Chapter 20 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 20 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 20 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 20 Online MCQ's Test
00:00
Question # 1
Laser is a beam of light which is
Question # 2
Charge on an atom is:
Question # 3
For Holography we use
Question # 4
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 5
The series in infrared region is:
Question # 6
Which series lies in the ultraviolet region.
Question # 7
Laser can be made by creating.
Question # 8
The energy of 4th Orbit in hydrogen atom is.
Question # 9
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 10
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 11
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 12
A° is the unit of:
Question # 13
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 14
The radius of hydrogen atom is:
Question # 15
The shortest wave length is Bracket series has wave length.
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.
ICS 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 | The value of Rydberg constant is: |
A. 1.0749x107m-1
B. 1.0974 x 107 m-1
C. 1.974 x106m-1
D. 1.0974 x 10-7 m-1
|
| 2 | The X-rays diffraction with crystal was first studied by |
A. W.H Bragg
B. W.L. Bragg
C. Michelson
D. None of these
|
| 3 | 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
|
| 4 | Which is not characteristic of Laser. |
A. Monochromatic
B. Coherent
C. Intense
D. Multi direction
|
| 5 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 6 | The first orbit in the hydrogen atom has a radius. |
A. 0.53 nm
B. 0.053 nm
C. 0.0053 nm
D. 0.00053 nm
|
| 7 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
| 8 | 1 rem = |
A. 0.001 SV
B. 0.01 SV
C. 0.1 SV
D. 1.01 SV
|
| 9 | 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
|
| 10 | Balmer series lies in |
A. Visible region
B. Invisible region
C. Ultraviolet region
D. Infrared region
|
Test Questions
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