Physics-
General
Easy
Question
The minimum energy required to excite a hydrogen atom from its ground state is
The correct answer is:
Minimum energy required to excite from ground state
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The electric potential between a proton and an electron is given by 
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The electric potential between a proton and an electron is given by , where is a constant. Assuming Bohr’s model to be applicable, write variation of with n,n being the principal quantum number
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A beam of fast moving alpha particles were directed towards a thin film of gold. The parts 
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If in hydrogen atom, radius of 
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The following diagram indicates the energy levels of a certain atom when the system moves from 
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The curve between the activity 
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The following diagram indicates the energy levels of a certain atom when the system moves from 
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The count rate for 10g of radioactive material was measured at different times and this has been shown in figure with scale given. The half-life of the material and the total count in the first half value period, respectively are
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The diagram shows the path of four 
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The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy
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The figure shows a graph between 
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Assume the graph of specific binding energy 
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Compare x and y bond length in above molecules:
Compare x and y bond length in above molecules:
chemistry-General
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Select the correct order of bond angle in following molecules:
Select the correct order of bond angle in following molecules:
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Selectthecorrectorderofbondangleinfollowing molecules:
Selectthecorrectorderofbondangleinfollowing molecules:
chemistry-General
