Lens is made up of –
Flintglassisopticalglassthathas relatively high refractive index and low Abbe number (high dispersion). A concave lens of flintglassiscommonlycombinedwithaconvex lens of crown glass to produce an achromatic doublet lens because of their compensating optical properties, which reduces chromatic aberration (colour defects).
A new ensign was created on the 91st anniversary of which organization?
Which one of the following Articles of the Constitution of India prohibits employment of children in factory or mine or any other hazardous employment?
Recoveries of loans and advances, borrowings, are an example of ________.
Consider the statement in regard of Nikhil Srivastav.
1. He is the winner of the prestigious 2021 Michael and Sheila Held Prize.
2. H...
In DICGC what does G stands for?
A light bulb working on a 18 V battery draws a current of 3 A. What will be the resistance of the bulb?
Which fraction bears the same ratio to 1/27 as 3/11 does to 5/9?
Who is the famous santoor player in India?
In the list of 100 Most Powerful Women Forbes 2020 the finance minister Nirmala Sitharaman secured the position at?
Palamau Tiger Reserve is situated in which state?
