pricin banner


What are luminous and non-luminous objects?

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...

Read More
Two Examples of non-luminous objects are:

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...

Read More
State five differences between mass and weight?

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...

Read More
Draw the diagram of mercury barometer.

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...

Read More
List of hottest and Coldest planets in the Solar System

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...

Read More
What is the charge and mass of a proton?

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...

Read More
Which of the following is an example of muscular force?
  1. Two magnets attracting each other
  2. An apple falling from a tree
  3. Charges produced by friction
  4. None of these

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...

Read More
What is terminal velocity and what causes it?

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...

Read More
Explain what is meant by tensile stress and tensile strain.

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...

Read More
What is Fleming’s left hand rule?

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...

Read More