top of page


Evan Toh
Oct 24, 20241 min read
Distance of sound detector from walls
Answer: Option B
7 views0 comments


Evan Toh
Sep 30, 20241 min read
Light and sound wave diagram in different mediums with different density
Light and sound are both waves. So both carry energy from one place to another. Light , which is part of the electromagnetic spectrum,...
55 views0 comments


Evan Toh
Jan 1, 20240 min read
87 views0 comments




Evan Toh
Dec 31, 20231 min read
2 views0 comments




Evan Toh
Dec 31, 20231 min read
Time interval between two sounds from a gun – direct and reflected sound
Solutions: Option B You can view the video tutorial here or the written solutions below.
7 views0 comments


Evan Toh
Nov 30, 20231 min read
Sound – Pitch and Loudness
Pitch of the sound depends on the frequency [Higher frequency -> Higher pitch] Loudness of the sound depends on the amplitude [Higher...
14 views0 comments




Evan Toh
Nov 30, 20230 min read
28 views0 comments


bottom of page