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Answer:
The minimum thickness of the soap bubble for destructive interference to occur is 225.56 nm.
Explanation:
Given;
wavelength of light, λ = 600 nm
The minimum thickness of the soap bubble for destructive interference to occur is given by;
where;
n is refractive index of soap film = 1.33
Therefore, the minimum thickness of the soap bubble for destructive interference to occur is 225.56 nm.
Answer: 81.619 kJ
Explanation:
Given
Mass of roller coaster is
It reaches the steepest hill with speed of
Hill to bottom is 51 m long with inclination of
Height of the hill is
Conserving energy to get kinetic energy at bottom
Energy at top=Energy at bottom