Expression for time in terms of G (universal gravitational constant), h (Planck constant) and c (speed of light) is proportional to :
a.
b.
c.
d.
a.
b.
c.
d.
Question ID - 50150 | SaraNextGen Top Answer Expression for time in terms of G (universal gravitational constant), h (Planck constant) and c (speed of light) is proportional to :
a.
b.
c.
d.
Expression for time in terms of G (universal gravitational constant), h (Planck constant) and c (speed of light) is proportional to :
|
a. |
|
b. |
|
|
c. |
|
d. |
|
1 Answer
127 votes
Answer Key / Explanation : (d) -
F=
=
E=hv
h=
C=
t 
[T]=[M−1L3T−2]x[ML2T−1]y[LT−1]z
[M0L0T1]=[M−x+yL3x+2y+zT−2x−y−z]
On comparing the powers of M,L,T
−x+y=0 
x = y
3x+2y+z=0
5x+z=0 … (I)
−2x−y−z=1
… (II)
On solving (I) & (II) x = y = 
, z = 
t 
127 votes
Answer Link
127