If unit of mass becomes 2 times, the unit of length becomes 4 times and the unit of time becomes 4 times in the unit of Planck's constant. Due to this unit of Planck's constant becomes _________ times.

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answer is 8.

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Detailed Solution

The unit of Planck's constant is joule second or kgm2 /s. ( unit of mass )( unit of length )2( unit of time )=2×424=8 times ∴ n=8

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