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Start learning 50% faster. Sign in nowFlint 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).
In its latest Fiscal Monitor report, the IMF showed that India’s combined debt-to-GDP ratio (Centre plus states) will rise to _____ in FY27.
What is the increased limit for e-mandates per transaction for subscription to mutual funds, payment of insurance premiums, and credit card bill payments?
At the Golden Globe Awards, who has won the category of ‘Best Actor’ award?
On what is the principle of Brahmo Samaj based?
Which city was ranked as the costliest city for international workers in Mercer’s 2024 cost of living data?
According to the latest employment-unemployment indicators report released by the National Statistical Office (NSO), what was India's unemployment rate ...
'Kabir Ke Dohe' were written in which language?
On 1st August which of the following days is celebrated?
Which festival is described by the following characteristics?
(I) Celebrated in the first month of the Hindu calendar, 'Chaitra'.
(II) Obs...
Which of the following ancient monuments of India of the UNESCO World Heritage Site will have a hydraulic lift system for the visitors?