state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 Current Affairs Science and Technology
Which of the following is/are correct regarding Laser-Induced Breakdown Spectroscopy (LIBS)?
1
LIBS is used for the detection of cancer cells at early stage.
2
LIBS is a scientific technique used for the extraction of oil and gas from oceans.
3
Scientific technique generally used for purification of water.
4
LIBS is a scientific technique that analyses the composition of materials by exposing them to intense laser pulses.