Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 9

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IMPORTANT

Earn 100

For a one-electron atom, the set of allowed quantum numbers is:

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Important Questions on Structure of Atom

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 10

The pair of atoms having the same number of neutrons is

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 11

The radii of the first Bohr orbit of

H (r_{H}), {He}^{+} ({r_{He}}^{+})

and

{Li}^{2 +} ({r_{Li}}^{2 +})

are in the order

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 12

The graph that depicts Einstein's photoelectric effect for a monochromatic source of frequency above the threshold frequency is

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 13

The fraction of volume occupied by the nucleus with respect to the total volume of an atom is:

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 14

Which of the following is isoelectronic with neon?

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 15

The MRI (magnetic resonance imaging) body scanners used in hospitals operate with

400 MHz

radio frequency energy. The wavelength corresponding to this radio frequency is:

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 16

Photon of which light has maximum energy?

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 17

Electromagnetic radiations of wavelength

242 nm

is just sufficient to ionise sodium atom. Then, the ionisation energy of Sodium in

kJ

{mole}^{- 1}

is: