Subject :NSO Class : Class 8
Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 7
Ans 1:
Class : Class 7
E = mc2. An equation derived by the twentieth-century physicist Albert Einstein, in which E represents units of energy, m represents units of mass, and c2 is the speed of light squared, or multiplied by itself.
Ans 2:
Class : Class 8
E(energy)=m(mass)*c(speed of light in vacuum)2....
speed of light in vacuum=3.00 x 108(10x10x10x10x10x10x10x10)....
It means that there is much more energy stored inside the nucleus of an atom than in its valence electrons. The energy released from splitting an atom is much higher than that of breaking electron bonds.
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
Ans 8:
Class : Class 7
But I don't understood one thing that 'How the item will allow me to see around a corner from where I am standing?