Question

what is Einstein's mass - energy relation.

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Answer 1

Hey Friends!!

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$\huge \boxed{Einstein's \: mass-energy \: relation.}$


Einstein said that mass and energy are equivalent, and related by the equation:


$\huge \bf \underline{E = m {c}^{2} }$

Where E is the amount of energy produced if mass m is destroyed, and c is the speed of light ( in vacuum ).


↪➡ Since the speed of light is very, very large, so an extremely large amount of energy is produced even if a small mass was destroyed. The destruction of mass happens in nuclear reactions ( like Nuclear Fission and fusion ) with the Liberation of tremendous amount of energy.

↪➡ Please note that in the mass-energy equation, if we put the mass in kilograms (kg) and the speed of light in metre per second (m/sec) then the energy will be will come in joules (j).

↪➡ For example, if a mass of 1 kg of any matter could be destroyed in a nuclear reaction, then the amount of energy produced would be given by Einstein's equation as:


=> E = mc².

=> E = 1 × ( 3 × 10^8 )².

=> E = 9 × 10^16 j.


Thus, 1 kg mass produces a huge amount of energy of 9 × 10^16 joules.



$\huge \boxed{THANKS}$


$\huge \bf \underline{Hope \: it \: is \: helpful \: for \: you}$

Answer 2

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Einstein's mass energy relation..

Einstein give this mass energy relation according to the theory of relativity ..

according to the theory of relativity nothing can travel then the speed of light and einstien give and e is equal to MC square here E is energy is
m is mass and c² is speed of light²

E = mc² .

Here it is given that

Energy is equal to the product of the mass of the object and the square of speed of light ..

And many relation refers to pic

Hope it helps..