Question
A concave lens always forms an image which is
–Solution
Concave lens possesses at least one surface that curves inwards. It is a diverging lens, spreading out those light rays that have been refracted through it. A concave lens is thinner at its centre than at its edges, and is used to correct short-sightedness (myopia). After light rays have passed through the lens, they appear to come from a point called the principal focus. The image formed by a concave lens is virtual, upright, and smaller than the object, and it cannot be projected onto a screen.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance...
Manjeet wants to open a Protein Shake store in his city. He is looking for a place, in the center of the town with least people. Which of the following...
A paper is folded and cut as shown below. How will it appear when unfolded?
Three of the following four word pairs are alike and thus form a group. Select the word pair that does NOT belong to that group.
If BANK is coded as 32 and BRAKE is coded as 42, then how would CLEVER be coded?
Select the wrong term in the following number series:
9, 10, 19, 44, 93, 175
Two different positions of the same dice are shown the six faces of which are U, V, W, X, Y and Z. Select the letter that will be on the face opposite t...
Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first lettter-
clu...
If A denotes ‘+’, B denotes ‘×’, C denotes ‘−’, and D denotes ‘÷’, then what will come in place of ‘?’ in the following equation...
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be true...
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