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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
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
Question # 2
First spectral series of hydrogen atom was discovered by
Question # 3
The unit of Rh is.
Question # 4
The shortest wave length is Bracket series has wave length.
Question # 5
Paschen series lies in the
Question # 6
The first spectral lines were discovered in 1885, were
Question # 7
The value of Rydberg constant is:
Question # 8
Laser is a beam of light which is
Question # 9
Hydrogen atom spectrum does not lie in
Question # 10
Charge on an atom is:
Question # 11
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 12
Frequency of x-rays depends upon.
Question # 13
The first orbit in the hydrogen atom has a radius.
Question # 14
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 15
Laser is a device which can produce:
Question # 16
X-rays were discovered by
Question # 17
For an atom of hydrogen atom the radius of the first orbit is given by:
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 process by which lesser beam can be used to generate 3-dimensional images of objects is called |
A. Holography
B. Geo graphy
C. Tomography
D. Radio graphy
|
| 2 | The first laser was built by |
A. ArthursSchawalow
B. T.H.Maiman
C. Peter Sorokin
D. C.H.Townes
|
| 3 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 4 | 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
|
| 5 | 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
|
| 6 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
| 7 | Charge on positron is: |
A. Negative
B. Positive
C. Netural
D. None of these
|
| 8 | Which of the following series of hydrogen spectrum lies in ultra violet region. |
A. Lyman sereis
B. Paschen series
C. Balmar series
D. Bracket series
|
| 9 | Balmer series lies in |
A. Visible region
B. Invisible region
C. Ultraviolet region
D. Infrared region
|
| 10 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
Test Questions