Physics Handwritten Notes ™
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The ionisation potential of helium atom is 24.6 volt, the energy required to ionise it will be
Anonymous Quiz
38%
24.6 eV
31%
24.6 volt
21%
13.6 volt
10%
13..6 eV
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Ratio of the wavelength of first line of Lyman series and first line of Balmer series is
Anonymous Quiz
34%
1 : 3
25%
27 : 5
27%
5 : 27
14%
4 : 9
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The ionisation energy of hydrogen atom is 13.6 eV, the ionisation energy of helium atom would be
Anonymous Quiz
30%
13.6 eV
32%
27.2 eV
19%
6.8 eV
20%
54.4 eV
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Ionic Equilibrium Short Notes
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Fig.: Relation between Mass, No. of moles and No. of molecules
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Interpretation of balanced chemical equations:

Once we get a balanced chemical equation then we can interpret a chemical equation by following ways: ✅

✿ Mass - mass analysis

✿ Mass - volume analysis

✿ Mole - mole analysis
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Magnetic Field Short Notes
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𝐏𝐇𝐘𝐒𝐈𝐂𝐀𝐋 𝐏𝐑𝐎𝐏𝐄𝐑𝐓𝐈𝐄𝐒 𝐎𝐅 𝐏𝐇𝐄𝐍𝐎𝐋𝐒

▸ Phenols are colorless crystalline solid or liquid having characteristic odour.

▸ Due to hydrogen bonding phenols has higher boiling point.

▸ The solubility of phenols in water is decreases with increase in size of aryl groups. Hydrophobic character increases as number of aryl groups increases
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Haloalkane & Haloarene Short Notes
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