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ECAT Physics Chapter 20 Atomic Spectra
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 20 Atomic Spectra
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Question # 1
The electric field lines start from:
Question # 2
Balmer series was identified in:
Question # 3
Lyman series in the spectrum of hydrogen exists in the :
Question # 4
The transitions of electrons in the hydrogen atom result in the emission of spectral lies in the:
Question # 5
The He-Ne laser discharge tube is filled with:
Question # 6
X-ray are also known as
Question # 7
Spectrum represents the number of component colours present in certain light in terms of:
Question # 8
The inkjet printer eject a thin stream of:
Question # 9
The natural arrangement of colours in the spectrum of white light spectrum is
Question # 10
The life time of metastable state is equal to
Question # 11
Balmer series lies in that region of electromagnetic wave spectrum which is called:
Question # 12
X-rays can penetrate in a solid matte through a distance of several:
Question # 13
The lasing or active medium in He-Ne laser discharge tube is:
Question # 14
The spectrum emitted from hydrogen filled discharge tube is:
Question # 15
Static electricity is produced by the transfer of:
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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.
