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Science & Tech
Q1.
NASA astronaut Sunita Williams returned to Earth in March 2025 after her mission aboard a SpaceX capsule. How much time had she spent in space?
Q2.
What are the wavelength and type of the laser used in a standard CD-ROM drive?
Q3.
During the 2025 demonstration, which types of drones were successfully destroyed by DRDO's DEW Mk-II(A)?
Q4.
How many molecules are present in 2 moles of CO2?
Q5.
Which statement is correct with reference to artificially produced elements?