Q)
(chatquestion)...A physical quantity of the dimensions of length
2.
e2
is [c is
Απεο
that can be formed out of c, G and
velocity of light, G is the universal constant of
gravitation and e is charge]
1/2
1/2
e?
e?
c2
G-
(b)
(a)
G 4πε0
4 тE O
1/2
e2
-G
(c)
(d)
cf 4περ
4πε
(NEET 2017)
3. 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 ?
ThG
(a)
C3/2
NhG
(b)
hc
(c)
VG
Gc
(d)
1.3/2
(NEET-II 2016)
...