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2h 23m
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Ravi Ranjan Kumar
Founder of "The Selection Guru" Competitive Institute.Qualified:more than half a dozen govt.Exams.Youtube channels "UnBook" & "UnBook Talks"
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Shaggy Khan
7 months ago
After watching the tutorial, the concepts are really clear, but get stuck while solving power of the number. Can you share some tricks on how to solve these power values without calculator, like you did here with 70 ^ 0.33
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Vikash Kumar
2 years ago
lajwab hai Sir
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Most important and previous years questions of atomic structure 6 0
1)Who invented electron? Uppcs -A) JJ Thomson B)Newton - Cljems chaidvik D) Goldstein
Most important and previous years questions of atomic structure 6 0
2) Chemical property of any atom is depend on its A)no. of protorn - B) electronic configuration -C)no. of neutron Dlatomic mass
3)Size of atom is... -A) 101.5 m - B) 10A-10 m - C) 10A-15 m -D) 10^-9 m
4)Which is the charge less partical. A)electron -B)proton C)neutron - DInone
5) Which partical is present in Nucleon Bpsc A)electron and proton B)proton and neutron - C)electron and neutron - DInone