Second Year Physics Chapter 20 Online MCQ Test for 2nd Year Physics Chapter 20 Atomic Spectra Preparation

FSC Part 2 Physics
Chapter 20 Test

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Physics FSC Part 2 Chapter 20 Online MCQ's Test

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Question # 1

Hydrogen atom spectrum does not lie in

Question # 2

If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be

Question # 3

Boher proposed his atomic model in:

Question # 4

Which of the following series of hydrogen spectrum lies in ultra violet region.

Question # 5

Electron volt is unit of:

Question # 6

We can find from de Broglie formula

Question # 7

Energy produced due to fission of uranium atom is:

Question # 8

For Paschen series, the value of 'n' starts from

Question # 9

When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.

Question # 10

The series in infrared region is:

Question # 11

The X-rays diffraction with crystal was first studied by

Question # 12

Laser can be made by creating.

Question # 13

Production of x rays is reverse process of

Question # 14

In Helium Neon laser, discharge tube is filled with Neon gas.

Question # 15

Helium-Neon laser discharge tube contains neon

Question # 16

For Holography we use

Question # 17

The typical nuclei are less than:

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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 Energy produced due to fission of uranium atom is:
A. 500MeV
B. 200MeV
C. 700MeV
D. 750MEV
2 The series in visible region is:
A. Balmer series
B. Pfund series
C. Paschen series
D. None of above
3 In an electronic transition atom cannot emit.
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
4 Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
A. 0.106 nm
B. 0.212 nm
C. 0.053 nm
D. 0.53 x 10-10 nm
5 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
6 Electron volt is unit of:
A. Chemical energy
B. Potential energy
C. Nuclear energy
D. heat energy
7 X- ray diffraction reveals that these are
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
8 1 rad =
A. 0.001Gy
B. 0.01Gy
C. 0.1Gy
D. 1.01Gy
9 The unit of Rh is.
A. ms-1
B. m
C. m2
D. m-1
10 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

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