The relationship between the force acting on the body and the motion executed by the body is governed by certain laws. These laws are called... View Article
How do the clothes get hot when we iron them? Why do lights turn on when we flip the switch? It is made possible by a process called conduction.... View Article
What is the rheostat? A rheostat is a variable resistor used in a circuit to change the amount of current flow in a circuit by manually changing... View Article
A force can be defined as the pull or push on an object due to its interactions with other objects. The force applied to an object changes the... View Article
In Probability, likely means the possibility of an event that can occur. Probability is the branch of mathematics, where the occurrence of a... View Article
Speed is the distance travelled by the object per unit time. Speed can be calculated using the formula Speed (S) = distance(d)/time(t) ... View Article
Distance is a measurement of how far apart objects or points are. Distance is a scalar measurement of the length between two points along... View Article
People often get confused with distance and displacement. So, let us understand what is a distance and how it is different from displacement.... View Article
Electrostatics deals with static electricity. The study of electricity in general and electrostatics, in particular, requires the concept... View Article
A semiconductor is an element that has electrical properties between those of a conductor and those of an insulator. The atoms of best conductors... View Article
Vibration is a mechanical phenomenon wherein oscillations occur about an equilibrium point. What is free vibration?. Free vibration occurs when... View Article
Quantum theory is a fundamental branch of physics that explains the nature and behaviour of matter and energy at a subatomic level. Who invented... View Article
What is the lens of the eye?. The answer to this question is that the lens is a biconvex, transparent structure present behind the iris of the... View Article
Is light wave or a particle? Both!!. According to the concept of wave-particle duality in quantum mechanics light exhibits both particle and wave... View Article
How old is the Universe? The universe is estimated to be approximately 13.8 billion years old with an uncertainty of just 120 million years! How... View Article
The time rate of change of position of a particle is called speed. Speed is a scalar quantity, meaning it has only magnitude. Speed helps us to... View Article