Question
Lens is made up of –
Solution
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 figure which will come next in the following figure series.
Find the option which is related to the third figure in the same way as the second figure is related to the first figure. (The first figure is the leftm...
Find the question mark ? figure from answer figure.
Select the figure which will come next in the following figure series.
2 + 5 = 36
7 + 6 = 98
6 + 4 = 62
4 + 9 = ?
Select the figure from among the given options that can replace the question mark (?) in the following series.
In each of the following questions which one of the answer figures shall complete the given question figure.
Select the figure that will replace the question mark (?) in the following figure series.
Select the figure from the options that can replace the question mark (?) in the following series.
Select the figure from among the given options that can replace the question mark (?) in the following series.
