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EXAMPLES:
(i) When the book is lying on a table, it exerts a downward force on the table (because of its weight). This force is known as action. The table exerts an upward force on the book known as reaction which is equivalent to the action.
(ii) In our daily life, our walking is the most common example of third law. When we walk we exert a force on the ground backward. This force is known as action. But this force cannot make acceleration in the ground because of its heavy mass. In return ground exerts a force on us forward. This force is known as reaction of the ground. Because of this reactionary force, we move forward.
newtons third law of motion
A radiation of 500nm is incident on a metal surface whose work function is 3ev.why do we not observe the phenomenon of photoelectric effect? Ans) Because the energy of radiation i
Why it is in general considered easier to determine the electric potential at a given point in space or at a given set of points in space due to a continuous charge distribution th
does lights of different wavelengths help us to see different colour
What are the units of fibre optic communication system? Fibre Optic Communication System: This comprises of the given three most important units: a. Transmitter: It has i
First Law: It shows that the mass (m) of substance deposited at the cathode during electrolysis is directly proportional to the quantity of electricity (total charge q) passed by t
Construction of a transformer: The essential parts of a transformer are: i) core ii) primary coil and iii) secondary coil. In its general form, a core (C) consists of a soft-ir
In utilizing Kirchoff's Laws to analyze a circuit a student correctly calculates a negative value for one of the currents in the circuit. What does the negative sign signify?
Q What is Seebeck effect? Seebeck revealed that in a circuit consisting of two dissimilar metals like iron and copper an emf is developed when the junctions are maintained at
two forces f1 500Ndue east and f2 250N due north have their common initial point f1 - f2 is
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