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Making a sun-dial
To withstand all weather, a sun-dial should be form of metal or painted wood. A cardboard model can be formed for easy experiments.
The gnomon which casts the shadow is a right-angled triangle with base angle equivalent to the latitude of the place at which it is going to be used.
Which atomic model did Erwin Schrodinger create? Schrodinger's wave equation was based on the Heisenberg uncertainty principal that the position and velocity of an electron can
what is Gravitational field at a distance r from the infinitely long rod with liner mass density d? Please drive it Ans) use Gauss'' law of electrostatics, but replace (1/4πε0)
Draw and explain V-I characteristics of constant voltage and constant current sources. Ans: V-I Characteristics of Constant Voltage Source: A voltage source that has very low
The characteristics of substance by virtue of which it opposes the flow of current by it, is called as the resistance.
Q. Illustrate what two properties of electromagnetic waves are used to attach info to radio signals? Answer:- By changing the amplitude of a radio wave you can encode info
The simple equation E = mc² is not usually applicable to all these types of mass and energy, except in the special case that the total additive momentum is zero for the system unde
What are Switches and Fuses? As mentioned earlier, short circuits can be damaging to the voltage source. One way we have developed to protect equipment is to use fuses i
Two positive lens L 1 and L 2 has the same focal length f>0. The distance between them is f/2. L 1 is placed to the left of L 2 . (a) An object is placed to the left of L1 wi
whatis meant by kinametic?
An impulse of 10 kilogram-meters per second acting on an object whose mass is 5 kilogram will cause a change in the objects velocity of: a) 0.5 meters per second b) 2 met
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