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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
When an electron in an atom goes from a lower to higher orbit its:
Question # 2
Black Body radiation spectrum is an example of:
Question # 3
Hydrogen atom spectrum does not lie in
Question # 4
The energy of 4th Orbit in hydrogen atom is.
Question # 5
The temperature of core of nuclear reactor is:
Question # 6
The following gas was identified in the sun using spectroscopy
Question # 7
The shortest wave length is Bracket series has wave length.
Question # 8
In according with Bohr's theory the K.E of the electron is equal to:
Question # 9
An atom can reside in excited state for
Question # 10
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 11
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 12
We can find from de Broglie formula
Question # 13
The Balmer series is obtained when all the transition of electrons terminate on
Question # 14
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 15
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 # 16
_____ has the largest de Broglie wavelength at same speed.
Question # 17
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
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 | The velocity of electron moving is 1st orbit of hydrogen atom is: |
A. 2.09 x 106 ms-1
B. 2.18 x106 ms-1
C. 2.19 x 106 ms-1
D. 3.18 x106 ms-1
|
| 2 | 1 rad = |
A. 0.001Gy
B. 0.01Gy
C. 0.1Gy
D. 1.01Gy
|
| 3 | _____ has the largest de Broglie wavelength at same speed. |
A. Proton
B. Alpha particle
C. Carbon atom
D. Electron
|
| 4 | Paschen series lies in the |
A. Far ultraviolet region
B. Visible region
C. Ultraviolet region
D. Inferred region
|
| 5 | The value of Rydberg constant is |
A. 1.0974 x 107 m-1
B. 1.0974 x 10-7 m-1
C. 1.0974 x 106 m-1
D. 1.0974 x 10-6 m-1
|
| 6 | In Helium Neon laser, the discharge tube is filled with |
A. 80% He, 20% Neon
B. 85% He, 15% Neon
C. 83% He, 17% Neon
D. 90% He, 10% Neon
|
| 7 | Which is not true for X rays |
A. X rays are not defected by electric field
B. X rays are polarized
C. X rays consist of electromagnetic waves
D. X rays can be diffracted by grating
|
| 8 | 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
|
| 9 | The energy of 4th Orbit in hydrogen atom is. |
A. -2.51 eV
B. -3.50 eV
C. -13.60 eV
D. -0.85 eV
|
| 10 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
Test Questions
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