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    Mustafa Ahmed's Avatar
    Mustafa Ahmed Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 18, 2013, 06:52 AM
    FTRE question please answer it.
    A negatively charged particle having magnitude of charge
    Q = 0.1 c and mass m = 200 gm moves with speed v = 10m/s
    Enters a region having magnetic field B = 4Tmaking an angle
    60° with X axis as shown in figure. The direction of magnetic
    Field is out of the X–Y plane. A convex lens is placed at a
    Distance 14.3 m from origin. Region of magnetic field starts
    From origin and extends till lens. Focal length of lens is 50cm.
    Take x axis as principle axis.For more details see the image.
    What is the frequency of revolution.
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    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #2

    Oct 18, 2013, 06:53 AM
    What do YOU think ?
    While we're happy to HELP we won't do all the work for you.
    Show us what you have done and where you are having problems..
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