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A simple rotation machine
Secure a breast-drill or hand- drill like as the one shown in the diagram. Clamp a small screw eye or cup hook in the chuck of the drill. Join a 30 cm length of light string near the point end of a spike. Make a loop in the other end of the string and attach it to the screw eye in the chuck of the drill. Now rotate the drill progressively by crank. View how the centrifugal force affects the suspended spike
simple rotation machine
How is magnification in scanning electron microscope controlled? Magnification in scanning electron microscope: Magnification into a SEM (scanning electron microscope) can b
Show the conditions for total internal reflection to happen. Arrive at the relation between refractive index and critical angle. What do you mean by optical fibre? on what rules do
refractive index of the transparent liquids using prism and spectrometer
Q. Point out the direction of the current if any induced to flow in the coil by the changing magnetic field. Answer: 1. Given: declining number of magnetic field line
What is a digital signal? Describe the function of modem in data communication. Write two benefits of digital communication
what is non conventional sources?
Five coulombs of charge are placed on a thin-walled conducting shell. Once the charge has come to rest, the electric potential inside the hollow conducting shell is found to be:
Q. Illustrate how do fireworks turn into shapes like hearts as well as stars? Answer:- The fireworks creators have worked several decades to figure these things out. There
An electric iron draws a current of 0.5A.The voltage is 200V. Calculate the amount of charge flowing through it in 1 hour.
Visible Radiation (Waves): Visible waves have a wavelength range among 400 and 700 nanometre.
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