Physics
2018 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE PH 2018 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 64–65 of 65. Imported answers require review unless explicitly marked reviewed.
Question 54
Open questionPHNAT2 marksNeeds review
An atom in its singlet state is subjected to a magnetic field. The Zeeman splitting of its 650 nm spectral line is 0.03 nm. The magnitude of the field is ______ Tesla (up to two decimal places).
(
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Open questionPHNAT2 marksNeeds review
The quantum effects in an ideal gas become important below a certain temperature
when de Broglie wavelength corresponding to the root mean square thermal speed becomes equal to the inter-atomic separation. For such a gas of atoms of mass
kg and number density
,
(up to one decimal place).\n\n(
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