A wedge-shaped film of air is formed by placing two flat glass plates with one end touching each other and the other end spaced by a gold leaf. The wedge is then illuminated using a monochromatic light of wavelength 590 nm from above and the complete fringe pattern is shown. The thickness of the gold leaf is approximately
A) 7.1 $\mu$m
B) 7.4 $\mu$m
C) 6.5 $\mu$m
D) 6.8 $\mu$m
E) 7.8 $\mu$m

Question

A wedge-shaped film of air is formed by placing two flat glass plates with one end touching each other and the other end spaced by a gold leaf. The wedge is then illuminated using a monochromatic light of wavelength 590 nm from above and the complete fringe pattern is shown. The thickness of the gold leaf is approximately
A) 7.1 $\mu$m 
B) 7.4 $\mu$m 
C) 6.5 $\mu$m 
D) 6.8 $\mu$m 
E) 7.8 $\mu$m

Quizplus · Accepted Answer

The Answer of  A wedge-shaped film of air is formed by placing two flat glass plates with one end touching each other and the other end spaced by a gold leaf. The wedge is then illuminated using a monochromatic light of wavelength 590 nm from above and the complete fringe pattern is shown. The thickness of the gold leaf is approximately
A) 7.1 $\mu$m 
B) 7.4 $\mu$m 
C) 6.5 $\mu$m 
D) 6.8 $\mu$m 
E) 7.8 $\mu$m

A Wedge-Shaped Film of Air Is Formed by Placing Two μ\muμ

A Wedge-Shaped Film of Air Is Formed by Placing Two $\mu$