Answer:
BC =980nm
Explanation:
Given wavelength =490nm
m=2
Required to find (OB - OC) = BC (more distant slit - nearest slit ) = dsin theta
We have dsin theta = m*wavelength
or BC = m* wavelength = 2*490nm
= 980nm = 98.000A
It will cause heat from friction
Answer:
<em><u>True:</u></em> because when u look thru a telescope you are making an observation
Explanation:
