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7 How many fringes m change when a thickness of a plate changes by 10 um...
chapter 27, Q 10. At most, how many bright fringes can be formed on either side of the central bright fringe when light of wavelength 649 nm falls on a double slit whose slit separation is 3.75 × 10-6 m?
At most, how many bright fringes can be formed on either side of the central bright fringe when light of wavelength 570 nm falls on a double slit whose slit separation is 3.42 × 10-6 m?
At most, how many bright fringes can be formed on either side of the central bright fringe when the light of wavelength 675 nm falls on a double slit whose slit separation is 3.42 × 10-6 m? ? Section 27.2 My Notes Ask Your
At most, how many bright fringes can be formed on one side of
the central bright fringe (not counting the central bright fringe)
when light of 625 nm falls on a double slit whose spacing is
11
9
12
10
8
A plate glass window (n = 1.5) has a thickness of 3.7 mm. How long does it take light to pass perpendicularly through the plate?
In a double-slit interference experiment the slit separation is 8.40 x 10-6 m and the slits are 2.80 m from the screen. Each slit has a width of 1.20 x 10-6 m. a) An interference pattern is formed when light with a wavelength of 450 nm is shined on the slits. How far (in meters) from the center of the interference pattern on the screen do the third order (m = 3) bright fringes occur? (1.5 pts) b) If a...
A spacer is cut from a playing card of thickness 3.03 × 10-4 m and used to separate one end of two rectangular, optically flat, 2.90 cm long glass plates with n = 1.60, as in the figure below. Laser light at 633 nm shines straight down on the top plate HINT (a) Count the number of phase reversals for the interfering waves (b) Calculate the separation (in m) between dark interference bands observed on the top plate
A plate of with 1.5 m and length 2.4 m with an edge crack of 3 mm is exposed to a tensile load of 7 MN in the direction of 2.4 m. The plate is manufactured from a material of yield strength Sy=1240 MPa and KIC-87 MPa.vm. Using factor of safety n-1.4, find the minimum thickness of the plate in mm: 2- Without crack b- With crack
[10 Marks] A concave glass ng = 1.75 plate is filled with oil n. = 2.10. A flat glass plate is placed on top of it. A side view of the arrangement is shown in the diagram on the left below. (a) When light of wavelength 2 = 500 nm is used, the centre is bright. What is the formula for the depth at the centre of the concave glass? (b) What is the order (value) of the centre bright...
The base plate of an iron has a thickness ofL = 7 mm and is made from an aluminum alloy (-2800 kg/m, c-900 J/kg . K, k-180 W/m . K, ε- 0.80). An electric resistance heater is attached to the inner surface of the plate, while the outer surface is exposed to ambient air and large surroundings at T-7,-25°C. The areas of both the inner and outer surfaces are As 0.040 m2. An approximately uniform heat flux of is applied...