Generate Quiz 688D9707D7439

1 / 10

The sun spectra also has dark lines in a pattern which corresponds to:

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A) Absorption

B) Emission

C) Release

D) Free particle

2 / 10

Calculate the wavelength of a photon associated with 3 x 1014 Hz frequency.

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A) 10 micrometer

B) 100 micrometer

C) 1 micrometer

D) 2 micrometer

3 / 10

The image received by the absorbed x-ray is ___.

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A) Inverted

B) Real

C) Both A and B

D) Virtual

4 / 10

Which of the following series is represented by Z?

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A) Lyman

B) Balmer

C) Bracket

D) Paschen

5 / 10

The characteristic X-rays are formed due to bombardment of ____.

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A) Photon

B) Proton

C) Electron

D) None of these

6 / 10

Which of the following statements is not consistent with Bohr’s set of postulates regarding the hydrogen atom model with regard to the emission and absorption of light?

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A) Energy levels of the electrons are stable and discrete.

B) An electron emits or absorbs radiation only when making a transition from one energy level to another.

C) To jump from lower energy to higher energy, an electron must absorb a photon of precisely the right frequency such that the photon's energy equals the energy difference between the two orbits.

D) To jump from a higher energy to a lower energy, an electron' absorbs a photon of frequency such that photon's energy is exactly the energy difference between the two orbits.

7 / 10

The atomic spectra deals with the measurement of?

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A) Wavelengths

B) Intensities of electromagnetic radiations emitted by atoms

C) Intensities of electromagnetic radiations absorbed by atoms

D) All of these options

8 / 10

When electron series terminates on the 4th orbit ____________ series is obtained.

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A) Balmer

B) Pfund

C) Paschen

D) None of these options is correct

9 / 10

Energy difference in balmer series for longest wavelength is

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A) 1.89 eV

B) 2.9eV

C) 5.6eV

D) 7.8 eV

10 / 10

Which colour of heat shows highest temperature?

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A) Red

B) Blue

C) Black

D) Orange

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Generate Quiz 688D9707D7439

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