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

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Important Questions on Structure of Atom

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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 4
The approximate size of the nucleus of Ni2864 is -
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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 6
When alpha particles are sent through a thin metal foil, most of them go straight through the foil because-
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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 8
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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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 10
The value of Planck's constant is 6.63×10-34Js. The velocity of light is 3×108 m/sec. Which value is closest to the wavelength in nanometer of a quantum of light with frequency of 8×1015sec-1 -
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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 12
What is likely to be principal quantum number for a circular orbit of diameter 20 nm of the hydrogen atom if we assume Bohr orbit be the same as that represented by the principal quantum number?
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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 13
Which is the correct relationship between energies of one electron species?
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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 15
If velocity of an electron in 1st  orbit of H atom is V, what will be the velocity of 3rd  orbit of Li+2 -
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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 20
The spectrum of He+ is expected to be similar to that of