[J2] Lesson 35 (Wave Grade A Questions Part 2 + Hypothesis Testing Revision + Electrochemistry Revision L2)

[J2 Physics PMCians] Waves & Superposition (Grade A) – Part 2


What we did in 2 hours:

This week, we attempted more Grade A Structured questions on Waves & Superposition, in Test 3 and Test 4.

What you take home:

Wave Grade A Test 4 (answers)

For your reference only.  



Practice Questions for Waves & Superposition  (Structured Questions with Answers)

Please download and print for your personal revision.


Special Mention:

In our next lesson, we start our Grade A revision on Gravitational Field


Till we meet again, have a safe and memorable week ahead!


From you friendly tutors,

Mr Sim & Mr Kwok 🙂

[J2 Maths PMCians]


What we did in 2 hours:

We have completed our Secrets Enclosed round of revision! Good job! Rounding up our revision was Hypothesis Testing, which was a very procedural but straightforward chapter. Be very conscientious with the chapter and just by systematically and consistently following the process as outlined, this is a very confident boosting chapter.


Additionally note our process for dealing with the ‘reverse’ type of question, to solve for an unknown parameter given the result of the test. While it may seem tricky at first glance, it can be managed very cleanly!

What you take home:

Worked solutions for the Take-Away Qns and the Quiz is linked here:



Weekly Quiz: Quiz H and Solutions for Quiz G have been updated into the link.


Special Mention:

We will do a Statistics Consolidation round this week, warmup your stats and bring your GCs!


See You and Stay Healthy!

Your Friendly Math Tutors

[J2 Chemistry PMCians] 


What we did in 2 hours:

We have completed our Physical Chemistry Revision by looking at electrolytic calculations, with some calculations on Avogadro’s constant. We then began on Periodic Table, looking at the atomic and physical properties of the Period 3 elements. Do remember that the three main atomic properties (IE, radii and EN) are all explained using ENC.

What you take home:

The remaining pages to Secrets Enclosed of Organic Chemistry are found here:


Special Mention:

Next lesson, let us continue to look at the chemistry of Period 3 and Group 2 elements.


See you in class!

Mr Leong


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