Questions

The water rise in a capillary tube dipped in water is such that the weight of water in the tube above the surface of water in the vessel is equal to (balances) the upward force due to surface tension. So it is clear that if the the bore (radius) to the tube is decreased, the height of the water column in it must be greater.  So, (a) is correct.

For the first time in Sri Lanka, the United Nation Vesak Day celebration will be held in Colombo and Kandy from May 12 to 14. Indian Prime Minister Narendra Modi will be the chief guest of the opening ceremony which will be held at BMICH in Colombo while Nepali President Bidhya Devi Bhandari will attend for the closing ceremony which is scheduled to be held at the Sri Dalada Maligawa premises in Kandy.

RAROC is a risk-adjusted framework for profitability measurement and profitability management. It is a tool for measuring risk-adjusted financial performance. And it provides a uniform view of profitability across businesses (Strategic Business Units / divisions). RAROC and related concepts such as RORAC and RARORAC are mainly used within (business lines of) banks and insurance companies. RAROC is defined as the ratio of risk-adjusted return to economic capital.

1. Eminent space scientist and former Indian Space Research Organisation (ISRO) Chairman Udupi Ramachandra Rao passed away due to age related ailments. He was 85.

2. He was currently serving as the chairman of the governing council of the Physical Research Laboratory in Ahmedabad. Rao served as the chairman of ISRO for 10 years from 1984-1994.

State-run NTPC said the company has forayed into electric vehicle charging business and has set up first such charging stations at its offices in Delhi and Noida. Adding that the move will push demand for electric vehicles, an official said, "The main objective in setting up the charging points is to be part of promoting clean energy transportation."