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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 25, 20241 min read
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Evan Toh
Oct 25, 20241 min read
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DC Question – Find unknown R, given the voltmeter readings when switch P and Q are closed respectively
Answer : Option A
Evan Toh
Oct 25, 20241 min read
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Distance of sound detector from walls
Answer: Option B
Evan Toh
Oct 25, 20241 min read
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Minimum distance h mirror from the floor
Answer: Option B
Evan Toh
Oct 24, 20241 min read
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Object is released and free-falling. Time taken to fall vertically from P to Q?
Keep in mind that you can utilize the two main concepts of a speed-time graph. As object is under free-fall, the acceleration (the...
Evan Toh
Oct 24, 20241 min read
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Converging Lens – Which ray is correct after passing through the lens
Which of the following light rays behaves correctly when it passes through the converging lens? Solutions: Option C Recall these basic...
Evan Toh
Oct 24, 20241 min read
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Evan Toh
Oct 24, 20241 min read
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2024 Specimen Paper 6091 P1 Q30 Filament bulb graphs
When comes to filament lamp, the non-ohmic characteristic properties comes to mind. But for this quesitons, you have to understand that...
Evan Toh
Oct 23, 20241 min read
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2020PPp1q9 moments – Find force P acting on stick by shoulder
Using the concepts that POM, we know 1) Ma = Mc 2) net force on the stick is 0N. Most of us will most likely to take pivot about P as...
Evan Toh
Oct 23, 20241 min read
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2016PPP1Q40 – Voltage and Power of Bulb Y when X is switched off - 2013PPP1Q40 heaters
2016PPP1Q40 Solutions: Option C [There is another similar question in 2013 Nov Pure Physics P1Q40. The answer is Option C too. Refer to...
Evan Toh
Oct 22, 20241 min read
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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...
Evan Toh
Oct 20, 20241 min read
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2015 PurePhy P1Q6 – Using Newton’s 3rd Law to find Forward Thrust
Refer to this MCQ from PurePhysics 2015P1Q6 Answer: Option C
Evan Toh
Oct 16, 20241 min read
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Direction of Frictional Force on Tyre or Wheel
For these type of questions, it is important to identify which tyre/wheel is connected/powered by the engine or the person. On each tyre...
Evan Toh
Oct 16, 20241 min read
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2021PPp1q36 DC circuit, which circuit has a potential difference between P and Q
Do you understand why there is a potential difference between P and Q? What if you are to find the potential difference between P and Q?...
Evan Toh
Oct 15, 20241 min read
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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...
Evan Toh
Oct 1, 20242 min read
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2013PPP1Q30 – Direction of the electric field around a negative charge
Ans: Option A View the video tutorial for the explanation:
Evan Toh
Feb 1, 20241 min read
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2010SPp1q12 Lens - focal length definition
Answer: Option C Focal length f is the distance between the focal point and the centre of the lens (optical centre) . Note that only...
Evan Toh
Jan 1, 20241 min read
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2008PPp1q15,2017PPp1q15– Pressure constant, rate of collision decreases
When gas in piston and heated but pressure remains constant. It is easier to explain in terms of the average force acting on a unit area....
Evan Toh
Jan 1, 20242 min read
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Pressure – Height of ethanol in the column
Answer: Option D
Evan Toh
Jan 1, 20241 min read
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