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TARGET PUBLICATION-ATOMS, MOLECULES AND NUCLEI -Competitive Thinking
- Find the de-Broglie wavelength of an electron with kinetic energy of 1...
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- An electron accelerated through a potential of 10,000 V from rest has ...
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- A proton and an alpha-particle are accelerated through same potential ...
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- Electrons with de- Broglie wavelength lambda fall on the target in an ...
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- In Davisson-Germer experiment the decrease of the wavelength of the el...
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- In experiment of Davisson-Germer, emitted electron from filament is ac...
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- The largest distance between the interatomic planes of crystal is 10^(...
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- An electron in a hydrogen atom undergoes a transition from higher ener...
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- Hydrogen atom excites energy level from fundamental state to n = 3. Nu...
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- Number of spectral lines in hydrogen atom is
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- An electron of stationary hydrogen atom jumps from 4^(th) energy level...
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- A photon of wavelength 300nm interacts with a stationary hydrogen atom...
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- If the electron in hydrogen atom jumps from second Bohr orbit to group...
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- What is the wavelength of ligth for the least energetic photon emitted...
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- Atomic weight of boron is 10.81 and it has two isotopes .5 B^10 and .5...
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- If a proton and anti-proton come close to each other and annihilate, h...
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- A nucleus splits into two nuclear parts having radii in the ratio 1:2 ...
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- A nucleus of mass 20 u emits a gamma-photon of energy 6 MeV. If the e...
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- Half-life of radioactive sample, when activity of material initially w...
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- If 20 gm of a radioactive substance due to radioactive decay reduces t...
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