Answer: Option D The most common mistake is to equate total energy at X equals to total energy at Y. At Y, there is no way to know the...

Though the graph is a height-time graph, it is similar to a distance-time graph. Questions: 2017PPp1q3 and 2020PPp1q5 Answer: Option D

Instead of the usual ball release from rest, this question states that the ball has an initial velocity greater than terminal velocity in...

This question is challenging to students as there are many information given. But it is actually quite straight forward when you save one...

In the syllabus, we are required to understand the orders of magntiude of various objects. Though we may no need to memorise the exact...

Finding the resistance of unknown resistor R

2002PPQ38, 2003PPQ38, 2005PPQ37, 2006PPQ38, 2007PPQ39 Answer: Option B Answer: Option D Answer: Option B Answer: Option C Answer: Option...

2005SPQ20, 2006PPQ40, 2005PPQ38, 2003PPQ39 Answer: Option A Answer: Option D Answer: Option B Answer: Option C Answer: Option B Answer:...

Alpha particle is a helium nucleus which is positive charged . Beta particle is an electron which is negative charged . Gamma ray has...

Half-life of a radioactive nuclide is the time taken for half the nuclei of that nuclide in any sample to decay . (time taken for the...

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

Answer: Option C

When question states that radius or diameter is increased by 3 times, that note that cross-sectional area does not increase by 3 times....

We have learned that silver smooth reflective surface is a poor absorber , poor emitter or a good reflector of infra-red radiation. How...

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

When comes to filament lamp, the non-ohmic characteristic properties comes to mind. But for this quesitons, you have to understand that...

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...

2016PPP1Q40 Solutions: Option C [There is another similar question in 2013 Nov Pure Physics P1Q40. The answer is Option C too. Refer to...

Solutions: As the fuel level drops, the float which stays on the fuel surface will descend. The rod which is attached to the float will...