Newton's rings are formed due to interference between the light waves reflected from the top and bottom surfaces of the air film formed between the lens and glass sheet.
division of amplitude
if we use glass plate then ring's will be clear
the newton's rings are formed due to the phenomenon of thin film interference. here, the condition for constructive interference(the ring appearing bright) is that the optical path difference between interfering waves should be an integral multiple of the wavelength. the optical path difference is given by 2t-(l/2) if t is the thickness of the air film at that point and l is the wavelength of light. at the central point, the lens touches the surface so thickness t=0. thus the optical path difference is simply l/2, which is the condition for destructive interference, not constuctive interference. so the central spot has to always be dark.
Theoretically it cannot as destructive interference between incoherant wave trains occur (i.e. photons are released spontaneously)
The condition for constructive interference in thin filmis,m = 0,1,2,....From equation (1) putting the value of t in the above equation we get,since n = 1 for air filmorFor first bright ring, m = 0For second bright ring, m = 1For third bright ring, m = 2Similarly, for Nth bright ring,m = N - 1Radius for dark ringThe condition for destructive interference in thin filmis,2tn = mλ m = 0,1,2,....By putting the value of t, we get,For air n = 1For i.e. point of contact.
54kg in newtons on earth weighs 529.2 newtons.
a
Interference - If intermittent and difficult-to-diagnose wireless communication errors occur, interference might be the culprit.
newtons rings
yes, valve to piston interference is likely to occur if belt fails
No, unless the ring is broken then collision can occur
Yes, indeed!
Because it wants to occur (:
Interference.
interference
Constructive and destructive interference can occur at any frequency. Superposition of waves is not dependent on a specific frequency.
equal but opposite
Standing wave