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A beam of ions passes undeflected through two parallel horizontal

Please help it's urgent!A beam of ions passes undeflected through two parallel horizontal plates 1.5cm apart having a p.d of
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A beam of ions passes undeflected through two parallel horizontal plates 1.5cm apart having a p.d of 3000v when a perpendicular
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A parallel beam of light is incident on diverging lens of focal length 12cm. The emergent beam passes through a converging lens
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a parallel beam of light which formed upon a converging lens arrange with its axis parallel to the beam is brought to focus a
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A source of ions at point O produces a slightly diverging beam with half-angle of divergence α0≪1. In order to collimate
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Calculate the speed of ions that pass undeflected through crossed electric and magnetic field for which E= 7.7kV/m and B= 0.14T.
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A uniform beam AB of mass 84.78 kg rest against the smooth wall at A and the rough horizontal floor at B. The coefficient of
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A uniform beam weighing 1300N is attached to a vertical wall so that it is perfectly horizontal. the beam is 8 m long. A support
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A 500N person stands 2.5m from a wall against which a horizontal beam is attached. The beam is 6m long and weighs 200N. A cable
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10) Horizontal beam supported on both ends - square profil 100 × 100 × 5, length is 800 mm.It is bent by the force in the
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