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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
The value of Rydberg constant is
Question # 2
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 3
The series in infrared region is:
Question # 4
Hydrogen atom spectrum does not lie in
Question # 5
Which of the following is one of the spectral series of atomic hydrogen?
Question # 6
Production of x rays is reverse process of
Question # 7
The first laser was built by
Question # 8
In Helium Neon laser, the discharge tube is filled with
Question # 9
Study of hydrogen visible spectrum in
Question # 10
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 11
For Paschen series, the value of 'n' starts from
Question # 12
Laser can be made by creating.
Question # 13
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 14
The value of Rydberg constant is:
Question # 15
Radius of first Bohr's orbit is.
Question # 16
The 1st Bohr atom in the hydrogen atom has radius
Question # 17
Which is not true for X rays
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 rest mass x ray photon is |
A. Infinite
B. Zero
C. 1.67 X-17 kg
D. All of the above
|
| 2 | The following gas was identified in the sun using spectroscopy |
A. Hydrogen
B. Helium
C. Carbon
D. Nitrogen
|
| 3 | When an electron in an atom goes from a lower to higher orbit its: |
A. K.E increases , P.E decreases
B. K.E increases , P.E increases
C. K.E decreases , P.E increases
D. K.E decreases , P.E decreases
|
| 4 | 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
|
| 5 | _____ has the largest de Broglie wavelength at same speed. |
A. Proton
B. Alpha particle
C. Carbon atom
D. Electron
|
| 6 | In Helium Neon laser, discharge tube is filled with Neon gas. |
A. 10%
B. 15%
C. 85%
D. 90%
|
| 7 | Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their. |
A. Energy
B. Mass
C. Wave length
D. Momentum
|
| 8 | The longest wavelength of Paschen series is. |
A. 656 nm
B. 1094 nm
C. 1875 nm
D. 2000 nm
|
| 9 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 10 | Study of hydrogen visible spectrum in |
A. 1886
B. 1887
C. 1895
D. 1885
|
Test Questions
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