Subject Answers

Luminous objects are objects that can produce their own light, whereas non-luminous objects are the opposite: they cannot make their own source of light, and so...

Non-luminous objects are objects that cannot emit light on their own - as opposed to luminous objects that have their own source of light.With this in mind, you...

I would like to address this question of yours in a somewhat rigorous manner and draw a more conceptual comparison between the two - and perhaps there’s no bett...

The mercury barometer is an instrument used to measure atmospheric pressure through the rising or falling level of mercury within a glass tube.Constructing one...

When it comes to the members of our Solar System, there are multiple factors that decide their degree of hotness and coldness, ranging from atmospheric composit...

The proton is a subatomic particle present inside the nucleus - and it’s responsible for the overall positive charge that the nucleus possesses.It has a charge...

Before we can attempt this MCQ, we would first like to define a muscular force - and that happens to be pretty self-explanatory! A muscular force is simply a fo...

Terminal velocity is defined as the constant - and maximum - velocity that a free-falling object attains as it falls through a particular medium (like air, wate...

Tensile stress is formally defined as the force exerted on an elastic object per unit cross-sectional area.It has the same units as that of pressure, which are...

The Fleming’s Left Hand Rule is a visual mnemonic - i.e. a visual aid that helps us understand how the directions of magnetic field, electric current and motion...