Question
 The radii of curvature of the faces of a double
convex lens are 20 cm and 30 cm. If focal length of the lens is 36 cm find the refractive index of the material of the lens?Solution
The correct answer is C
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The cultivation of grapevines.
to change and improve the arrangement of something
GAUGE  - The new orders are a gauge  of how well our industrialists are doing.
Select the most appropriate meaning of the given idiom.
Go the extra mile
Each of the following questions consists of two words which have a relationship to each other. This is followed by four pairs of related words. Choose ...
All the window pains (A) / panes (B) were broken when I opened the house after almost ten days.
I did not want her to feel bored (A) / boared (B)...
Select the most appropriate word segment for the bold word in the given sentence.
Pintu has been advised to reduce smoking by his family doctor...
a room where medicines are prepared and provided
Select the most appropriate meaning of the underlined idiom in the given sentence.
Off and on I take a break from my hectic schedule to refre...
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