top of page
Evan Toh
Dec 31, 20231 min read
PP2008Q11OR Thermistor in series with fixed resistor, explanation on pd and graph
As both the fixed resistor and the thermistor are connected in series, the sum of potential difference across them will be equal to the...
0 views0 comments
Evan Toh
Dec 31, 20231 min read
PP N2010 P1 Q4 Two objects same size and shape but one is heavier. Motion when both released
Solutions: Option C When a body is released from rest, the only force acting on the body is its weight due to gravity . Both bodies...
13 views0 comments
Evan Toh
Dec 31, 20231 min read
Identifying what lens, focal length and image from 2 rays – PP2010P1Q23 and SP2014P1Q11
These 2 questions are actually the same. Q23 is from 2010 Pure Physics P1 while Q11 is from 2014 Sci Physics P1. Take a look at these 2...
3 views0 comments
Evan Toh
Dec 31, 20231 min read
Understanding Conservation of Energy and applying in calculation questions
Page 4 of Work Energy and Power: Understanding COE
94 views0 comments
Evan Toh
Dec 31, 20231 min read
2 views0 comments
Evan Toh
Dec 31, 20231 min read
When to use the concept PV = constant and P1V1 = P2V2 to solve?
When temperature is constant (for o-level), when a fixed mass of gas (fixed number of air molecules) is compressed in a closed system...
33 views0 comments
Evan Toh
Dec 31, 20231 min read
Determine the motion of the particles on transverse wave
Instead of imaging how the particles will move and guess their motion, there is a technique which can help you to determine that. In...
121 views0 comments
Evan Toh
Dec 31, 20231 min read
Total Internal Reflection (TIR) example 02
Solutions: a) 38.8o    b) 41.8o c) 51.2o . The ray does not emerge as total internal reflection has occurred. The angle of incidence is...
17 views0 comments
Evan Toh
Dec 31, 20231 min read
Double Pivots Question
A man is standing on a uniform plank of mass 20 kg and 6 m long. He is standing 1 m from the string at A. a) Find the unknown forces FA...
25 views0 comments
Evan Toh
Dec 31, 20231 min read
Force required to pull the block up the inclined plane
There are 3 scenarios with slight variations. Calculate the force F needed to pull the block up the inclined plane. View the video below...
36 views0 comments
Evan Toh
Dec 31, 20231 min read
3 views0 comments
Evan Toh
Dec 31, 20231 min read
2017PurePhyP2Q5 Two points on the rope wave with displacement-time graphs given
In this this question, the displacement-time graphs are given, which are different from displacement-distance graphs. In the...
4 views0 comments
Evan Toh
Dec 31, 20231 min read
Understanding Hydraulic System Overview
Refer to the video tutorial for the basic concepts of hydraulic system. The notes are attached below. Understanding Hydraulic System 01...
31 views0 comments
bottom of page