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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).
The "Xtra Credit Card" launched by RBL Bank offers cashback on fuel purchases with which company?
How does the PM-MKSSY contribute to economic growth?
In April 2024, which police station of Haryana got the award for best Police station?
According to the 2011 census, what percentage of India's population is engaged in secondary work?
‘Dahi Handi’ has been made an official sport of which state?
Who was the first astronaut to walk on the moon?
Which city has been declared as Nepal’s first ‘healthy city’ by the World Health Organization (WHO)?
Nanda Devi National Park was established in the year?
Which country was the first to implement Goods and Services Tax (GST)?
Who has received the ‘Patangrao Kadam Award’?
