How do you describe motion? The motion of the object can be described by the position, direction, speed and acceleration. Motion can be defined... View Article
What is the kinetic energy of gas molecules at absolute zero? According to the kinetic theory of gases molecules, the kinetic energy of the... View Article
Does higher pressure mean higher kinetic energy? No, higher pressure does not mean higher kinetic energy. The kinetic energy of the molecules is... View Article
What is the role of a geostationary satellite? The main role of the geostationary satellite is to stay in the same relative position above... View Article
An inductor is a device used to store energy in a magnetic field when an electric current flows through the inductor. An inductor is nothing but... View Article
What does FM stand for? FM stands for frequency modulation. It is a method of transmitting signals by encoding the signal wave in a carrier wave... View Article
How thin is a thin film? Thin films are of different thickness depending on the properties. A thin film at the atomic level is created by... View Article
What is meant by natural vibration? Natural frequency is the frequency of vibration of the object in the absence of damping or a driving force.... View Article
Why is potential difference useful? The potential difference or the voltage gives us the information about the energy available to push the... View Article
Gravitational and electromagnetic force varies as the inverse square of the distance. Why is force inversely proportional to distance squared?... View Article
What law is associated with blackbody radiation? There are four laws that describe the blackbody radiation Planck’s law: The primary law... View Article
Why is the average velocity of the molecules in a gas zero? The velocity of the molecule is a vector quantity. The number of molecules moving... View Article
Capillary action is the movement of water molecules through the gaps in the porous material due to cohesive force, adhesive force and surface... View Article
The inductor is a device that stores energy in the form of a magnetic field. When a current varying with time is passed through the coil there... View Article
What is the relationship between boiling point and vapour pressure? The particular temperature at which the vapour pressure of the liquid becomes... View Article
What are the source of sound? The source of sound can be both natural or man-made. Few examples of natural sound sources are humans, animals,... View Article
Interference is a phenomenon in which there is a modification in the intensity of the light due to the superposition of two or more waves. The... View Article
What are the free electrons in the conduction? Free electrons are not tied to any atoms or molecules and are free to move under the influence of... View Article
What is damped free vibration? The movement of the object after it gets stuck by a sudden blow is called damped free vibration. For example, a... View Article