2019 | physics-tuition-sg

Evan Toh

Nov 41 min read

What happens to frequency and speed of water wave as it goes to shallow region? 2019PPp1q23

Once the wave is produced, the frequency remains constant. Hence speed V of the wave is directly proportional to the wavelength of the...

Evan Toh

Oct 251 min read

2007PPp1q28 2019PPp1q33 - Which V-I readings are for torch lamp?

2019PPP1Q33 Ans: Option B 2007PPP1Q28 Ans: Option B Torch lamp or bulb is a non-ohmic conductor . The V-I graph has an increasing...

Evan Toh

Oct 201 min read

Video 01 How to find resultant force of two or three forces (without drawing vector diagram)

Below are some examples of questions that involve finding the resultant force due to two or three forces. Below are the questions in the...