Reflection of light using a mirror Refraction of light using various shaped optical mediums Total Internal Reflection (TIR) using a...

Pressure of a fixed mass of gas, P, is inversely proportional to the volume of the gas, V, when the temperature is held constant. P...

Transverse waves are waves in which the direction of the wave is perpendicular to the direction of the vibration . e.g Light, water,...

Using the formula n = 1/sin c, the higher the n , the smaller the c . With smaller c , total internal reflection can occur over a wider...

Given that the mass of the drum is 20 kg. What is the minimum force, F, required to just movee th drum off the ground? (Assume uniform...

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...

For Combined Science Physics Olevel, when constructing vector diagram, a method called Parallelogram Method is commonly used....

Double-insulated appliances are common around us. The air purifiers in our classroom are one good example. In these appliances, only two...

Solutions: Option B

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...

Density is the mass per unit volume . Common units for density are g/cm3 or kg/m3 . SI unit is kg/m3 . Density of a pure substance is...