26. Give examples for the following:
a) A dimensionless, unit less physical quantity,
b) A dimensionless physical quantity but having unit in SI system.
c) Two physical quantities which have the same dimensions.
Answers
Answered by
4
Answer:
polygon is regular when all angles are equal and all sides are equal (otherwise it is "irregular"). This is a regular pentagon (a 5-sided polygon).
Answered by
4
Answer:
ANSWER
a) solid angle Ω=
r
2
A
steradian and a plane angle θ=
r
L
radian, Both dimensionless but have units.
b) specific density =
densityofwaterat4
0
C
densityofmedium
it is a ratio of two same quantities. So, it is a unitless and dimensionless constant.
c) Gravitational constant (G)=6.67×10
−11
N−m
2
/kg
2
d)Reynold's number is a constant which has no unit.
Explanation:
make me brillianlist
Similar questions