Answer: Option D

Instead of imaging how the particles will move and guess their motion, there is a technique which can help you to determine that. In...

Answer: Option C View the videos below to learn how to solve it. There are more than one method. Alternatively, you may put values to...

Answer: Option D

In this this question, the displacement-time graphs are given, which are different from displacement-distance graphs. In the...

Solutions: Option B As lamp X is thicker and shorter , these two factors make the resistance of X lower than Y . Recall: Length...

Answer: Option B Since water will naturally reach 40m high from the bottom of the apartment, you only need to pump the water up by a...

These two 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...