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Planck's constant (h), speed of light in vacuum (c) and Newton's gravitational constant (G) are three fundamental constants. Which of the following combinations of these has the dimension of length?

Options

A.hG\frac { \sqrt { h G } } { }
B.c3/2G5/2\frac { \mathrm { c } ^ { 3 / 2 } } { G ^ { 5 / 2 } }
C.\sqrt { \frac { \mathrm { hc } } { \mathrm { G } }
D.Gch\sqrt { \frac { \mathrm { Gc } } { \mathrm { h } } }

Correct Answer

A. \( \frac { \sqrt { h G } } { } \)

Exam
NEET
Language
English
Year
2016
Difficulty
1/5
Section
Physics

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