A certain amount of energy is measured as 500 units. If the fundamental units of length, mass and time each are doubled then the magnitude of energy in new system will be:
A
1000 units
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B
250 units
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C
500 units
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D
2000 units
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Solution
The correct option is B 1000 units The dimensional formula of energy is E=M1L2T−2
Let E1 and E2 be the old and new energy value in given unit systems