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A trick with surface tension
Get a used tin can and make five holes in it with a nail. The holes should be very close to the bottom of the can and about five millimetres apart.
Write down a short note on the discovery of neutron. Show the uses of radioisotopes.
Places where friction occurs Locate the places on several mechanical devices where parts rub together. Roller skates, pulleys and the wheels of toys often required oil. Try to
What do some fiber change the color of light? Actually, all fibers change the color of the light in one technique or other. Because of the physical characteristics of the condu
Determne the magnetic field due to a finit sraight wire of length 2l, carrying a steady current i. The point of interest P is l distance away from the middle point of wire O. So
Find the current flowing in the 5Ω resistor of the circuit shown in Figure using (a) Kirchhoff's laws, (b) the superposition theorem, (c) Thévenin's theorem, (d) Norto
how gas expened ?
I want to measure H, not B The magnets in question are permanent magnets (large Neo or SmCo magnets), not coils ============================== Steel _______
It describes the temperature above which the material loses its spontaneous polarization and piezoelectric characteristics.
A radioactive substance has a half life of 1 min. If one nuclei decays now , when will be next decay????
Compton effect (A.H. Compton; 1923) An effect which demonstrates that photons (the quantum of electromagnetic radiation) contains momentum. At a stationary particle, a photon
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