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TARGET PUBLICATION-ATOMS, MOLECULES AND NUCLEI -Competitive Thinking
- 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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- Given a sample of radius -226 having half-life of 4 days. Find, the pr...
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- During mean life of a radioactive element, the fraction that disintegr...
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- A mixture consists of two radioactive materials A1 and A2 with half-li...
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- The activity of a radioactive sample is measured as N0 counts per minu...
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- (I): In a beta^(-1) decay in a nucleus, a daughter nucleus that has di...
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- Half-life of a radioactive substance is 20 minutes. Difference between...
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- A radioactive substance of half-life 6 minutes is placed near a Geiger...
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- A particle A of mass m and initial velocity v collides with a particle...
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- In a hydrogen like atom electron make transition from an energy level ...
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- Light of wavelength 500 nm is incident on a metal with work function 2...
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- The radiation corresponding to 3 rarr 2 transition of hydrogen atom f...
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