What is Light: Light is something we experience every day, yet its true nature remains fascinating and complex. From the warm glow of sunrise to the artificial illumination that brightens…
Basics of Physics: Physics stands as the cornerstone of natural sciences. This fascinating discipline helps us understand how the universe operates at its most fundamental level. From the smallest subatomic…
Explanation The maximum height of mountain on earth depends upon shear modulus of rock. At the base of the mountain, the stress due to all the rock on the top…
Explanation elasticity is the tendency of a body to oppose the change in its shape and size ( basically its configuration). Steel, because a body is said to be more…
EXPLANATION Firstly we need to understand what is gravitational potential energy . It is defined as the amount of work done in bringing a body from infinity to a point…
Explanation Advantages of reflecting over refracting telescope are : Mirrors can be made bigger than lenses in size. No chromatic aberration. In case parabolic mirror is used, then no spherical…
Explanation Electromagnetic waves are the combination of electric and magnetic field waves produced by moving charges. The creation of all electromagnetic waves begins with a charged particle. This charged particle…
Explanation Angular momentum(L) : It is an measure of the rotation of body, taking into account its mass , shape and speed. L = r × p where r is…
Explanation The moon's escape velocity is much less than the root mean square (RMS) velocity of gas molecules on the moon. Therefore, the molecules of gas escape from the moon’s…
Explanation INDUCTIVE CIRCUIT We know that in pure inductive circuit, current is lagging by 90 degree from voltage (in other words, Voltage is leading 90° from current) i.e the phase…
