The natural (Plank) Unit of a physical quantity Q has the form: {Q}Plank= ħnlcn²Gn3 where: the Plank constant: ħ = 1.0545717260000002 x 10-34kg m²s-1 the light speed: and the universal constant of gravity: = 6.673848 x 10-11kg¬'m³s=2 n1, n2 and n3 are suitable numbers that ensure the correct dimension of Q. Example: {velocity}Plank=C=3.00x10® m/s [n1=0, n2=1, n3=0] c = 299792458 m/s %3D Calculate the natural unit of

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Chapter1: Measurement
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C) The natural (Plank) Unit of a physical quantity Q has the form: {Q}Plank= hnlcn2Gn3
h = 1.0545717260000002 x 10-34kg m?s-1
c = 299792458 m/s
where: the Plank constant:
the light speed:
and the universal constant of gravity:
= 6.673848 x 10-11kg¬1m³s¬2
n1, n2 and n3 are suitable numbers that ensure the correct dimension of Q.
Example: {velocity}plank=C=3.00x10® m/s [n1=0, n2=1, n3=0]
Calculate the natural unit of
n1=
acceleration {a}Plank (3 significant
n2=
{a}Plank=
x 10 m/s?
figures) [find n1, n2, n3 and
take special care of the order
of magnitude]
D) Find the area of Palestine in square miles: Apalestine=27000km²= x mile?. Find x.
n3=
Use: 1 mile=5280 ft ... 1ft=12 inch ...
linch=2.54 cm
X =
Transcribed Image Text:C) The natural (Plank) Unit of a physical quantity Q has the form: {Q}Plank= hnlcn2Gn3 h = 1.0545717260000002 x 10-34kg m?s-1 c = 299792458 m/s where: the Plank constant: the light speed: and the universal constant of gravity: = 6.673848 x 10-11kg¬1m³s¬2 n1, n2 and n3 are suitable numbers that ensure the correct dimension of Q. Example: {velocity}plank=C=3.00x10® m/s [n1=0, n2=1, n3=0] Calculate the natural unit of n1= acceleration {a}Plank (3 significant n2= {a}Plank= x 10 m/s? figures) [find n1, n2, n3 and take special care of the order of magnitude] D) Find the area of Palestine in square miles: Apalestine=27000km²= x mile?. Find x. n3= Use: 1 mile=5280 ft ... 1ft=12 inch ... linch=2.54 cm X =
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