If P represents radiation pressure, c represents speed of light and Q represents radiation energy striking a unit area per second then non-zero integers x, y and z, such that PxQYCz is dimensionless, are
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a
X=1 , Y= 1 ,Z = -1
b
X=1 ,Y=-1 ,Z= 1
c
X= -1 , Y = 1 ,Z = 1
d
X =1 ,Y= 1 ,Z =1
answer is B.
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Detailed Solution
Px Qy C z is dimensionless, when ML−1T−2xML2T−2L2TyLT−1z=M0L0T0Hence ,, X+Y =0, -X+Z=0 and -2x-3y -Z=OSolving, we get x -1, y - -1, and z =1