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PhysicsUnit & DimensionMiscellaneousEasy2 minPYQ_2020
PhysicsEasysingle choice

A quantityfis given byf=hc5Gwherecis speed of light,Gunivasal gravitational constant andhis the Planck’s constant. Dimension offis that of:

Options:

Answer:
B
Solution:

hc=MLT-23
c=LT-1
G=M-1L3T-2

Substituting the dimensional formulas in the given formula,

f=ML2T-2

Stream:JEESubject:PhysicsTopic:Unit & DimensionSubtopic:Miscellaneous
2mℹ️ Source: PYQ_2020

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