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Flint glass is optical glass that has relatively high refractive index and low Abbe number (high dispersion). A concave lens of flint glass is commonly combined with a convex lens of crown glass to produce an achromatic doublet lens because of their compensating optical properties, which reduces chromatic aberration (colour defects).
Select the option that is different from the other three.
In a certain code language, 'MUSIC' is written as 'LTTJD', and 'CONCEPT' is written as 'BNMDFQU'. How will 'SINGING' be written in that language?
A team of seven members is be selected from ten members M1, M2, M3, M4, M5, M6, M7, M8, M9 and M10. Criteria for the selection are: M3 and M6 have to b...
In a certain code language " BRIEF" Is written as " SCHOF" , and " CHART " is written as "IDZUS". Which of the following are correct matches as ...
How many meaningful four-letter English words can be formed using the second, third, fifth and seventh letters of the word TOURIST (when counted from le...
Choose the set of numbers that is similar to the following set.
{12, 18, 6}
Identify the figure given in the options which when put in place of the question mark (?) will logically complete the series?
Study the given arrangement of 2-digit numbers and symbols and answer the question that follows.
(Left) 65 67 87 86 and 43 32 37 @ 27% 29 76 71 4...
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...
Eight friends P, Q, R, S, T, U, V and W are sitting in two lines, with four friends sitting in each line. Both the lines are facing north. The four pers...