Which of the following have the smallest storage capacity ? (a) Zip disk.(b) Hard disk.(c) Floppy disk.(d) Data cartridge. Answer : (c) What type of devices are CDs or DVDs ? (a) Input.(b) Output.(c) Software.(d) Storage. Answer : (d) Why has RAM been named like […]

Education Idol provides last month CCC September month exam question and answer. Student ,you know very well, in CCC exam question is come repeat. क्या BCC का स्तेमाल करके हम एक साथ 500 लोगो को मेल भेज सकते है? a. Trueb. False Ans.A Libre office […]

Home / Formulas / Physics Formulas As per the theory of Special relativity, length, time, momentum, and energy depends on the velocity of one reference frame relative to another. A person on a spaceship moving almost closer to the speed of light will measure length, […]

Home / Formulas / Physics Formulas Frustum of a right circular cone is that portion of right circular cone included between the base and a section parallel to the base not passing through the vertex. Properties of Frustum of Right Circular Cone The altitude of […]

Home / Formulas / Physics Formulas Escape Speed Velocity or Escape speed is the speed of a body at which the total of the kinetic energy and gravitational potential energy is zero. The escape velocity from earth’s surface is about 11,186 m/s. In a different sense, it […]

Home / Formulas / Physics Formulas When something travels from one point to the other, this is known as displacement. Presuming the golf ball moves from position x1 to position x2. position formula is represented as Where the first position of the body is x1,the second […]

Home / Formulas / Physics Formulas Friction Loss Friction is the resistance required for moving a body through an external surface. But the friction loss is connected to the flow of liquid through a pipe. In other sense, it is a kind of energy loss because […]

Home / Formulas / Physics Formulas Speed is a very rudimentary concept in motion which is all about how slow or fast an object travel. We define speed as distance divided by time. Distance is directly proportionate to Velocity when time is constant. Speed, distance, […]

Home / Formulas / Physics Formulas Electrical is the branch of Physics dealing with electricity, electronics and electromagnetism. Electrical formulas play a great role in finding the parameter value in any electrical circuits. Most commonly used electrical formulas are formulas related to voltage, current, power, […]

Home / Formulas / Physics Formulas Cylindrical Capacitor The capacitor is used to store large amounts of electric current in a small space. The cylindrical capacitor includes a hollow or a solid cylindrical conductor surrounded by the concentric hollow spherical cylinder. Capacitors are widely used […]

Home / Formulas / Physics Formulas Force of attraction is a force that pulls the body near due to its attraction. There are numerous attractive forces prevailing in nature. Some of them are magnetic force, electric force, electrostatic force and gravitational force. Gravitational force is very well-identified instance force of […]

Home / Formulas / Physics Formulas The wave formula for the velocity of sound is given by, V = f λ Where, v = velocity of the wave, f = frequency of the wave, λ = wavelength. Solved Examples Example 1 A light wave travels […]

Home / Formulas / Physics Formulas The heat of hydration formula is given by: Heat of hydration = (ΔH solution – ΔH lattice energy) Where ΔH solution = Heat of the solution ΔH lattice energy = Lattice energy of the solution Example 1 The sodium […]