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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.
Middle Eastern mythology says that (A) / Sinbad the Sailor was born from Oman and he (B) / set sail on his legendary voyages from (C) / Sohar, a mariti...
While the influx of Koreans (1)/has transformed the life (2)/of hundreds of villagers, (3)/quality infrastructure is still elusive (4).
As vessel loading is (1)/not possible in Ukraine, (2)/buyers are trying to secure (3)/supplies at Russia (4).
I had to / call the event down / as there / weren’t enough participants.
In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option...
Given below are sentences with an error in each. The error is in one part of the sentence. Below each sentence are given the options containing the par...
Given below is a sentence with or without an error. The error, if any, is in one part of the sentence. Choose the correct part which contains the error...
If you Have(1)/ come on time, (2)/we would not have (3)/lost the game .(4)
When we entered the party , everyone around was all decked for and looking beautiful
