1.

If the unit of mass is a kg, the unit of length is betametre and the unit of time is gammasecond, The magnitude of calorie in the new system is (1 Cal = 4.2 J)

Answer»

`4.2 alpha^2 BETA^2 gamma^2` new UNITS
`4.2 alpha^(-1) beta^(-2) gamma^2` new units
`alpha^(-1) beta^(-2) gamma^2` new units
`(1)/(4.2) alpha^(-1) beta^(-2) gamma^2` new units

Answer :B


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