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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
1 rad =
Question # 2
Laser can be made by creating.
Question # 3
Radius of first Bohr's orbit is.
Question # 4
Charge on positron is:
Question # 5
Which is not true for X rays
Question # 6
The unit of Rh is.
Question # 7
Balmer series lies in region of electromagnetic spectrum.
Question # 8
In an electronic transition atom cannot emit.
Question # 9
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 10
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
Question # 11
The series in infrared region is:
Question # 12
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 13
For Paschen series, the value of 'n' starts from
Question # 14
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 15
For Holography we use
Question # 16
In Helium Neon laser, discharge tube is filled with Neon gas.
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 | The first theory about the structure of an atom was introduced by |
A. Neil Bohr
B. Einstein
C. Compton
D. Rutherford
|
| 2 | 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
|
| 3 | The X-rays diffraction with crystal was first studied by |
A. W.H Bragg
B. W.L. Bragg
C. Michelson
D. None of these
|
| 4 | Production of x rays is reverse process of |
A. Photo electric effect
B. Compton effect
C. An nihilation
D. Pair production
|
| 5 | The temperature of core of nuclear reactor is: |
A. 1100°C
B. 1200°C
C. 1300°C
D. 1400°C
|
| 6 | The rest mass x ray photon is |
A. Infinite
B. Zero
C. 1.67 X-17 kg
D. All of the above
|
| 7 | The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is |
A. 1972
B. 1965
C. 1958
D. 1913
|
| 8 | The following gas was identified in the sun using spectroscopy |
A. Hydrogen
B. Helium
C. Carbon
D. Nitrogen
|
| 9 | 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
|
| 10 | 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
|
Test Questions