At sea-level, the barometer which Pie is holding reads 760 mm of Hg. When he is at the top of Mount Pie, the same barometer reads 230 mm...

Note: Non-uniform plank means the CG of the plank is not at its centre a) Find the weight of the boy. b) How far is the centre of gravity...

Pitch of the sound depends on the frequency [Higher frequency -> Higher pitch] Loudness of the sound depends on the amplitude [Higher...

Sensitivity of the ammeter means that how small a current the ammeter can measure. Example, if the original set up is 0.2 A per division,...

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