Which of the following curved surfaces will produce a rea...
Which of the following curved surfaces will produce a real image? I. Concave mirror II. Convex mirror III. Diverging lens IV. Converging lens
I and III only
I, II and IV only
II, III and V only
II and IV only
Correct answer is D
Convex (converging) lenses can form either real or virtual images, whereas concave (diverging) lenses can form only virtual images
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A nuclide is represented by 7032B. Determine its neutron-proton ratio...
Which of the following actions will not increase the sensitivity of a moving coil galvanometer? ...