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Physics ECAT Pre Engineering Chapter 20 Atomic Spectra
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Total Questions15
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Time Allowed20
Physics ECAT Pre Engineering Chapter 20 Atomic Spectra
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Question # 1
By CAT scans, we can detect the density difference of the order of:
Question # 2
The natural arrangement of colours in the spectrum of white light spectrum is
Question # 3
The first shell near the neucles is
Question # 4
A metastable stae:
Question # 5
The life time of metastable state is equal to
Question # 6
The process of formation of spectrum is called:
Question # 7
In flesh, light element like carbon, hydrogen and oxygen predominate. Three elements allows ______ amount of incident X-ray to pass through them
Question # 8
The results of spectra obtained by Balmer were expressed in 1896 by:
Question # 9
The transitions of electrons in the hydrogen atom result in the emission of spectral lies in the:
Question # 10
The range of wavelengths of colurs in the visible colours is
Question # 11
X-rays can penetrate in a solid matte through a distance of several:
Question # 12
Laser is a beam of:
Question # 13
Tick the series which lies in the visible region:
Question # 14
Balmer series was identified in:
Question # 15
The value of the metastable state for Neon is
Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice
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Biology Chapter 1 - Answers Mode
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.
