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Aluminium Is Extracted From Alumina
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The Extraction Of Copper From
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The Following Reaction Takes Place In The Blast
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Which Of The Following Statements, About The Advantage
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An Element, X Has The Following Isotopic Composition L.
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Parkinsonism Is Related With
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Select The Answer With Correct Matching Of The Structure, Its Location And Function
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The Thermoregulatory Centre Is Situated In Or The Control Of Blood Sugar Level, Osmoregulation And Thermoregulation Are The Function Of
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Which Of The Following Cranial Nerve Innervates Heart, Stomach And Lungs Or Which Of The Cranial Nerve Is Mixed
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Which One Of The Following Statement Is Correct
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Foramen Of Monro Is An Aperture Between
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Neural Stimulation In Visceral Organ In Human Being Is Done By
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An Electron Is Moving Around The Nucleus Of A Hydrogen Atom In A Circular Orbit Of Radius R. The Coulumb Force F Between The Two Is (where K =
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An Object Is Placed At 2 F1 In Front Of A Convex Lens. What Is The
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Draw A Labelled Diagram Showing How An Image Of A Small Size Can Be Projected On Large Screen
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A Convex Lens Made Of A Material Of Refractive Index N2 Is Kept In A Medium Of Refractive Index N1.
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Observe The Following Incomplete Ray Diagram Of An Object Where The Image A B Is Formed After Refraction From A Convex Lens.
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A Concave Lens Made Of A Material Of Refractive Index
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(i) In Refraction Of Light Through A Rectangular Glass Slab (ii) What Happens When A Light Ray Is Incident Normally
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The Absolute Refractive Indices Of Glass And Water Are 4/3 And 3/2,
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(i) Draw A Ray Diagram To Show The Refraction Of Light (ii) If The Refractive Index Of Glass For Light Going From Air To Glass Is 3/2,
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(i) The Refractive Index Of Kerosene Is 1.44," (ii) A Ray Of Light Strikes A Glass Slab At An Angle Of Incidence Equal To 30°.
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A Spherical Mirror Produces An Image Of Magnification -1 On A Screen Placed At A Distance Of 50 Cm From The Mirror.
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Figure Shows A Ray Of Light Meeting The Glass Of The Window Of A Car At An Angle Of Incidence Of 40°.
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When An Object Is Placed At A Distance Of 60cm From A Convex Spherical Mirror, The Magnification Produced Is 1/2.
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