Is electromagnetic force affected by intervening medium?

Is electromagnetic force affected by intervening medium? EM force does not need any intervening medium. Why is gravitational force independent of medium? Gravity is unipolar, attractive. So when it goes through a medium, there is no polarizing effect or polarizing forces. Thus the gravitational constant is independent of the intervening medium. Does electrostatic force depend […]

What is my ideal weight for my height?

What is my ideal weight for my height? Body mass index (BMI) is one of the most popular ways to calculate an ideal weight range. Getting your current BMI is as easy as plugging your height and weight into a calculator. A result between 18.5 and 24.9 means you’re in the “normal” weight range for […]

Has Chang E 5 landed?

Has Chang E 5 landed? Like its predecessors, the spacecraft is named after the Chinese moon goddess Chang’e….Chang’e 5. Spacecraft properties Landing date 16 December 2020 17:59 UTC Return capsule Landing site Inner Mongolia, China Lunar orbiter Orbital insertion 28 November 2020 12:58 UTC Is Chang E real? Chang’e, Wade-Giles romanization Ch’ang O, the Chinese […]

Does cactus need sunlight?

Does cactus need sunlight? Cacti and succulents thrive with good light sources, and it is best to place cacti and succulents in a bright place. A south facing position will provide good sunlight. However, be careful to not put them in direct sunlight because the intense light can make the plants turn a yellow colour. […]

Why can white light be split into Colours?

Why can white light be split into Colours? White light is a mixture of many different colours, each with a different frequency . Light is refracted when it enters the prism, and each colour is refracted by a different amount. This means that the light leaving the prism is spread out into its different colours, […]

How do we calculate tension?

How do we calculate tension? Tension Formulas – How to Calculate Tension Force Tension can be easily explained in the case of bodies hung from chain, cable, string etc. T = W ± ma. Case (iv) If the body moves up or down with uniform speed, tension; T = W. T=m(g±a) As tension is a […]

How does a fan convert energy?

How does a fan convert energy? (The fan’s blades move air around the room. The kinetic energy of the moving blades does work in moving air through the fan blades.) The fan converts electric energy into kinetic energy that does work, and it converts some electric energy into heat.) What does a fan do to […]

What are two types of electric current?

What are two types of electric current? Current electricity is a constant flow of electrons. There are two kinds of current electricity: direct current (DC) and alternating current (AC). With direct current, electrons move in one direction. Batteries produce direct current. Is gold good conductor? Gold is used as a contact metal in the electronics […]

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