Science > Physics > Rotational Motion > Kinetic Energy of Rotating Body and Torque Acting on it In this article, we shall study kinetic energy of rotating body and torque acting on it. Kinetic Energy of a Rotating Body: Consider a rigid body rotating about axis passing through point O and perpendicular to the plane […]
Science > Physics > Rotational Motion > Concept of Moment of Inertia In this article, we are going to study important physical quantity related to the rotational motion of the body called the moment of inertia and its significance. Rigid Body: A rigid body is one whose geometric shape and size remains unchanged under the […]
Science > Physics > Magnetic Effect of Electric Current >Numerical Problems on Toroids or Rowland Ring Example 01: A Rowland ring (toroid) of ferromagnetic material of a mean radius 15 cm has 3000 turns of wire wound it. The relative permeability of the material is 1000. What is the magnetic field in a core when […]
Science > Physics > Wave Theory of Light > Polaroids In this article, we shall study the use of the phenomenon of polarization of light, principle, construction, and working of polaroids. Double Refraction: In the case of some crystals like calcite or quartz, a single ray of unpolarized light from a point source of light […]
Science > Physics > Wave Theory of Light > Polarization of Light In this article, we shall study the concept of polarization of light, Brewster’s law associated with it. Ordinary Light: Light waves are transverse in nature. The direction of its vibration is in the plane which is perpendicular to the direction of propagation of […]
Science > Physics > Wave Theory of Light > Numerical Problems on wave Theory of Light In this article, we shall study to solve the problems on the calculation of the refractive index, angle of refraction, the wavelength of light and wavenumber of waves using snell’s law and the definition of the refractive index of […]
Science > Physics > Wave Theory of Light > Numerical Problems on wave Theory of Light In this article, we shall study to solve the problems on the calculation of the refractive index, angle of refraction, the wavelength of light and wavenumber of waves using snell’s law and the definition of the refractive index of […]
Science > Physics > Wave Theory of Light >Application of Huygens Wave Theory of Light In the last article, we had a brief idea of the Huygens wave theory of light. In this article, we shall study its use to explain the phenomena of reflection and refraction of light. Huygens Principle: Huygens Proposed that Every […]
Science > Physics > Wave Theory of Light > Introduction to Wave Theory of Light In this article, we shall study various theories proposed to explain the nature of light. The main focus of the article will be on Huygens’s wave theory of light Newton’s Corpuscular Theory of Light Assumptions of Newton’s Corpuscular Theory of […]
Science > Physics > Thermal Properties of Matter and Thermodynamics > Applications of Expansion of Solids Linear expansion or longitudinal expansion refers to the increase in length of a solid material when its temperature rises. This phenomenon occurs due to the increased thermal energy within the material, causing its constituent particles to vibrate more vigorously, […]