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A floater to show surface tension
Bend a piece of small copper wire into a ring about 8 cm in diameter. Attach two other pieces of wire rigidly to conflicting sides of the ring and join these pieces by twisting them jointly about 8 cm below.
Q. Does sunlight reflected off a mirror raise the temperature of the sun-rays? Answer:- A standard planar mirror will not raise the energy contained in the rays that refle
(i) X-rays are electromagnetic waves with wavelength lie among 0.1Å - 100Å. (ii) X-rays is invisible. (iii) They always go in a straight line with speed of light. (iv) X
A horizontal power line carries a current of 6110 A from south to north. Earth's magnetic field (86.8 mT) is directed toward the north and is inclined downward at 70 degrees to the
Explain about the laser cutting and welding. Laser cutting and Welding: Laser cutting is a technology which uses a laser to cut materials, and is generally used for industri
Show the ray diagram showing the experimental arrangement for pure spectrum.
How is hardness of water sample estimated through EDTA titration? Discuss the mechanism of cationic polymerization
What is the significance of negative work?
can electrons from an electron gun produce electricity
Two wires on a piano are the same length and are pulled by the same tension. wire 1 vibrates at a frequency 1.5 times the frequency of wire 2. Calculate the ratio of their masses (
The specific resistance of copper is 1.7ohm. find the resistance of copper wire of length 10m and diameter 1mm. solution) R=ρ*l/A so ou have ρ,l and r(radius). you can use the f
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