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DHRUVA stands for Digital Hub for Reference and Unique Virtual Address. It is a digital address policy launched by the Department of Posts in 2025 to transform address data into part of India’s Digital Public Infrastructure (DPI)through secure, consent-based sharing and geo-coded identifiers.
The method of transfer of heat in liquid is
Temperature of the Sun is measured by?
How much time does a Geostationary satellite take to complete one orbit, at the height of 35790 km?
The waves which are less than 20Hz are known as
I threw a ball horizontally on the road and after covering certain distance, the ball stopped due to
What is the minimum escape velocity required for a rocket to leave Earth's gravitational pull?
Velocity of the sound is minimum in-
The apparatus used in the refrigeration is
What device is primarily used to convert alternating current (AC) into direct current (DC)?
What is the pH of Urine ?