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The initial number of atoms in a radioactive element is `6**10^20` in its half life is 10 hours. The number of atoms which remains undecayed in 30 hours is
The initial number of atoms in a radioactive element is `6**10^20` in its half life is 10 hours. The number of atoms which remains undecayed in 30 hours is
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Thermometry
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Similar Question
This Chapter Physics-Weekly-Model-Exam consists of the following topics
A sunlight, whose visible wavelength ranges from 380 to 750 nm is incident on a sodium surface. The work function is 2.28 ev . What is the maximum kinetic energy of the photoelectrons emitted from the surface ?
The initial number of atoms in a radioactive element is `6**10^20` in its half life is 10 hours. The number of atoms which remains undecayed in 30 hours is
A hydrogen atom is in the third excited state. It makes a transition to a different state and a photon is either absorbed or emitted. What is energy of the photon when the photon is emitted with the longest possible length ?
