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What is the principle of generating ultrasonic waves?
The general principle comprised in generating ultrasonic waves is to reasons some dense material to vibrate very quickly. The vibrations produced through this material than reason air surrounding the material to start vibrating along with the same frequency. Then vibrations spread out into the form of ultrasonic waves.
A woman wearing high heels briefly supports all her weight on the heels. If her mass is 45 kg and each heel has an area of 1.2 cm 2 , what pressure does she exert on the floor
describe the applications of potentiometers
Q. Distinguish between interference and diffraction fringes? Interference Diffraction 1) It is because of the superposition of secon
Examples of unlike parallel forces
A lift is moving down with an acceleration of 3m/s. A ball is released 1.7m above the lift floor. How long will the ball take to hit the floor?
the magnetic field at a dictance of 2cm from the axis of a straight conductor carrying current is 12mT.Find the currentin the conductor?
A car of mass 1600 kilograms (kg) was travelling at 30m/s when the brakes were applied and produced a constant retarding force of 8000 N (Newtons) to the car: Find - a) How far the
Magnifying Glass: A biconvex lens of short focal length and low power which forms a virtual and magnified image of an object placed with its focal length is known as magnifying
Alnico is a family of alloys containing metals Fe, Co and Ni plus small amount of Al and copper. These alloys are directionally solidified and subsequently given a heat treatment t
Using an Optical Bench This applet permits users to simulate standard optic elements that is lens, mirror, dielectrics, sources, apertures and observe the ways in which light r
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