Answer:0.369 m
Step-by-step explanation:
Given
Distance between slit and screen is 
Wavelength 
Angle between zeroth order bright fringe and Fourth-order bright fringe is 
let distance between the slits be d
Distance of n th bright fringe From central Fringe is given by

Also 



Answer:
32 with 11 handkerchief left over
Step-by-step explanation:
Handkerchief = 811
Quits for 1 handkerchief = 25
Number of quits
= 811 ÷ 25
= 32 Remainder 11
Answer:
The correct answer is (-9, 6) on Edge, the first option
Step-by-step explanation:
4.6 - 3.9= .7cm which is 7mm
Answer:
Delta Ft = 70*3 - 42*7 = 168 #$