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Evan Toh
Oct 161 min read
Understanding Newton’s 1st and 2nd Laws of Motion
1) Newton’s first law states that an object will remain at rest or in uniform motion (constant speed) in a straight line unless an...
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Evan Toh
Sep 302 min read
Finding focal length f of the lens using pin and mirror or sharp image from distance object
A thin convex lens is placed on a plane mirror and an object pin is then moved along the axis of the lens until an image is seen to...
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Evan Toh
Sep 301 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,...
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Evan Toh
Aug 310 min read
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Evan Toh
Aug 310 min read
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Evan Toh
Aug 311 min read
Light Experiments – Glass Block and Pins
The video include 3 different light experiments which involve glass block and pins. Most students faced difficulties in locating the pins...
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Evan Toh
Aug 310 min read
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Evan Toh
Aug 311 min read
Setting up a retort stand and pendulum experiment
In this post, we will be going to the basics of setting up the retort stand and pendulum experiment. Most probably, this will be the...
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