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Centrifugal force with a beaded chain
Secure a length of beaded chain like that frequently used for pull cord on electric light switches or for key chains. Fasten the ends together to make a ring. Join this to the string from the drill and view the effects of centrifugal force.
A boy throws a ball vertically upward with a velocity of 6 meters per second. How long does it take the ball to return to the boy's hand? Ans: A boy throws a ball vertically
The measurements taken in Ramdesns eyepiece more worthy (reliable) than Huygens eyepiece. Why? Describe critical angle. show its relationship with refractive index.
What are ferrites? Ferrites are ceramic compounds having trivalent metal having three valence electrons, iron and oxide of divalent element
Construction of a thermometer
Number of electrons in the outermost orbit of the element of atomic number 15 is: (1) 1 (2) 3 (3) 5 (4) 7 Ans: 5
derive an expression for time of flight of horizontal projectile
A block of mass m is resting on a piece of smooth paper. The block has coefficient of static and kinetic friction μ s , μ k with the paper, correspondingly. You jerk the paper hor
The energy possessed by a object by virtue of its motion is known as kinetic energy (KE). The KE of a moving body is similar to the amount of work that must be given to bring a
Illustrate the working of Optical-Fiber Infrasound Sensors. Optical-Fiber Infrasound Sensors: It is example of Mach-Zchnder Interferrometer. Optical-fiber infrasound sensors
Q. On what factors does the amount of optical rotation depend? The amount of optical rotation relay on (a) Thickness of crystal (b) Density of the crystal or else concent
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