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secondary 4 | A Maths
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secondary 4 chevron_right A Maths chevron_right Singapore

Physics Qn. Please explain to me these two questions! Thank you.

Date Posted: 6 years ago
Views: 341
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Arnold K H Tan
Arnold K H Tan's answer
2153 answers (A Helpful Person)
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AT
xy
Xy
6 years ago
Q22) How you know where to draw the lines for 1 Sec and 2 Sec later?

Q23) How to know the line of sight?
Arnold K H Tan
Arnold K H Tan
6 years ago
Q22. 1 sec = half a wavelength later
2. Line of sight is linked to the field of vision, which is light reflected off the two ends of the mirror, from each person. This is just one approach for this question.
xy
Xy
6 years ago
Ok. Thank you! (:
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Lala Chew
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12 answers (Tutor Details)
xy
Xy
6 years ago
Thank you! :)