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What reflective surfaces are there?
A cone has two surfaces.
How does polonium help humans?
Polonium applications: - Source of neutrons: as Po-BeO - Radioisotope thermoelectric energy source - Alpha particles source - Brushes with Po to eliminate static charges from different surfaces - Material in radiochemistry studies
In what wey did radium and polonium help?
Polonium applications: - Source of neutrons: as Po-BeO - Radioisotope thermoelectric energy source - Alpha particles source - Brushes with Po to eliminate static charges from different surfaces - Material in radiochemistry studiesRadium applications:- radiation source to treat bone cancers- radiation source for industrial radiography- neutron source (Ra-Be)
What are found on the outer surfaces of stromatolites?
Biofilms of microorganisms, especially cyanobacteria, are found on the outter surfaces of stromatolites.
The best absorbers of heat are blank surfaces?
That's a dum Question , but it's black,blank,surfaces(usually)
Can two different equipotential surfaces intersect give a reason for your answer?
No, two equipotential surfaces cannot intersect. These are surfaces where the gradient of potential is zero always.
What is the shape of equipotential surface due to a point charge?
concentric spherical surfaces
Can two different equipotential lines cross each other?
No. If two equipotential surfaces intersect, then there would be two values of electric potential at the point of intersection, which is not possible.
Why are the equipotential lines near conductor surfaces parallel to the surface?
For conductors, the electric field perpendicular to its surface and no field exist within the conductor. As a result the equipotential lines are found near the surface. They are parallel to the surface since equipotential are perpendicular to field lines.
Why must electric field line be perpendicular to equipotential surfaces?
If the field lines were not perpendicular to the surface, then they could be decomposed into components perpendicular and parallel to the surface. But if there is an E-field along the surface, the surface is no longer an equipotential.
What instrument measures the electric equipotential?
Multimeter is an instrument that measures electric equipotential. Equipotential lines can be determined by connecting various points of electric potential or voltage.
What is Equipotential lines in electric field?
Equipotential lines are lines that are perpendicular to the lines representing the electric field of a particle. A particle can travel freely of equipotential lines without doing any work.
What is the geometrical shape of equipotential surface due to single isolated charge?
what is the geometrical shape of equipotential surface due to single isolated charge
Why limit of you tube should be vertical in the determination of densities of two liquids?
First of all its U-tube not youtube. Secondly measuring density corresponds to measuring the weight of the 2 liquids. So keeping them vertical allows gravity to do its work. When you pour a liquid to the tube the liquid first it positions itself by keeping the 2 surfaces at equipotential level. Then another liquid is poured from one side. If the liquid is less denser than the 1st liquid should retract a little bit until the surfaces come to equipotential levels again. If it is denser then it should sink in creating a partition for the first liquid.
Is any force is required to move a small charge on equipotential surface?
yes
What is the angle between lines of force and equipotential lines in an electrical field?
The angle is a right angle.
What is the amount of work done in moving a 100nc charge between two points 5 cm apart on an equipotential surface?
An equipotential surface has the same value of potential. Thus, work done would be zero. Work done = Charge X Potential difference
