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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
Balmer series was identified in:
Question # 2
The electric field lines start from:
Question # 3
A metastable stae:
Question # 4
X-rays can penetrate in a solid matte through a distance of several:
Question # 5
X-rays produced in a tube operating at 105V. The speed of X-rays produced is
Question # 6
The photocopying process is called:
Question # 7
The results of spectra obtained by Balmer were expressed in 1896 by:
Question # 8
Atoms of hydrogen gas can be excited by passing electric current through it when the gas is filled into the discharge tube at a pressure which is
Question # 9
By CAT scans, we can detect the density difference of the order of:
Question # 10
The He-Ne laser discharge tube is filled with:
Question # 11
The value of the metastable state for Neon is
Question # 12
In case of braking radiations, when the rate of deceleration is very large, the emitted radiation corresponds to:
Question # 13
In helium Neon Laser Neon = 15% and Helium = 85% used. The lasing gas this unit is
Question # 14
CT scanning is the abbreviated name of
Question # 15
The natural arrangement of colours in the spectrum of white light spectrum is
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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.
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