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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
Which series lies in the ultraviolet region.
Question # 2
The series in visible region is:
Question # 3
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 4
_____ has the largest de Broglie wavelength at same speed.
Question # 5
Study of hydrogen visible spectrum in
Question # 6
Which of the following is one of the spectral series of atomic hydrogen?
Question # 7
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 8
An atom can reside in excited state for
Question # 9
Kx -Xrays are produced due to transition of electron from.
Question # 10
Photons emitted in inner shell transition are.
Question # 11
Earth orbital speed is
Question # 12
The radius of 10th orbit in hydrogen atom is.
Question # 13
A° is the unit of:
Question # 14
The first theory about the structure of an atom was introduced by
Question # 15
Balmer series lies in
Question # 16
Bremsstrahlung radiation are examples of
Question # 17
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
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 | Charge on positron is: |
A. Negative
B. Positive
C. Netural
D. None of these
|
| 2 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
| 3 | The longest wavelength of Paschen series is. |
A. 656 nm
B. 1094 nm
C. 1875 nm
D. 2000 nm
|
| 4 | Charge on an atom is: |
A. Positive
B. Negative
C. Neutral
D. None of these
|
| 5 | When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as. |
A. Photoelectric effect
B. Piezo electric effect
C. Thermionic emission
D. Secondary emission
|
| 6 | 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
|
| 7 | If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is: |
A. 10.2 eV
B. 0 eV
C. 3.4 eV
D. 6.8 eV
|
| 8 | 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
|
| 9 | Life time of metastable states is |
A. 10-6 sec or more
B. 10-3 sec or more
C. 10-5 sec or more
D. None of these
|
| 10 | Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their. |
A. Energy
B. Mass
C. Wave length
D. Momentum
|
Test Questions