P12LSM353

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Physics 12 Instructional Master

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Copyright © 2003 Nelson Chapter 11 Einstein’s Special Theory of Relativity 353

Instructional Master

Frames of Reference (Interferometer Example)

LSM 11.1-2

Figure 4(a) A simplified view of an interferometer place in the hypothetical ether wind.(b) The apparatus is rotated 90°.

(a) (b)

beam 2

ether wind

viewer

N

beam 1

L1

L2

Ms

M2

M1

source beam 2

ether wind

source

viewer beam 1L1

L2

Ms

M2

M1

N