Answer:
MRCORRECT has answered the question
Explanation:
surface tension of water helps creatures(mostly of insecta class such as water striders) to walk on water. . it also helps water to move up the xylem tissue ofhigher plants without breaking up
Using Ampere's Law, the magnetic field produced inside this solenoid is given by
B = uo N I / h
where uo is the vacuum permeability, N is the number of turns in the solenoid and h is the length of the solenoid. Earth's magnetic field is around 50 microteslas in North America thus the current needed in the solenoid is
I = B h / (uo N) = (50 E-6 ) (4) / ((4 pi E-7)(6000) ) = 0.026 A
I = 26 mA
So you need a current of around 26 mA.
I would like to visit Pluto because i want to see what a Dwarf planet would look like, i would like to see what kind of minerals are in the planet its self..
Brainliest answer?
Answer:
r = 1.45 Å
Explanation:
given,
λ = 1.436 Å
θ = 20.62°
d = a
n = 2
metal gold crystallizes in a face centered cubic unit cell
Radius of the gold atom = ?
using Bragg's Law
n λ = 2 d sin θ
2 x 1.436 Å = 2 a sin 20.62°
a = 4.077 Å
We know relation of radius for face centered cubic unit cell
![a = \dfrac{4r}{\sqrt{2}}](https://tex.z-dn.net/?f=a%20%3D%20%5Cdfrac%7B4r%7D%7B%5Csqrt%7B2%7D%7D)
![4.077= \dfrac{4\times r}{\sqrt{2}}](https://tex.z-dn.net/?f=4.077%3D%20%5Cdfrac%7B4%5Ctimes%20r%7D%7B%5Csqrt%7B2%7D%7D)
r = 1.45 Å
the radius of a(n) gold atom. is equal to 1.45 Å