Which among the following is used to listen and record underwater sounds?

Related MCQs

• Which among the following are used as components to produce Nitrolim, a widely used fertilizer in past?
• Highest percentage of nitrogen is found in which among the following fertilizers among the given options?
• Which among the following is not among Micronutrients required for plants?
• Which among the following compound of barium is used as radio contrast agent for X-ray imaging and other diagnostic procedures and also commonly called as Barium Food?
• Consider the following advantages of the Optic Fibers and the Copper wires: Optic Fibers are NOT susceptible to the electrical interference Optic Fibers can be used to transmit more signals that Copper Wires Optic Fibers can carry a signal over a single fiber, unlike the electricity which requires a pair of Copper wires. Which among the above stand correct ?
• The Potassium graphite and Calcium Graphite can be mostly used as which among the following?
• Acetylene cannot be safely pressurized as a pure compound. Which among the following is used for safe storage and transportation of Acetylene?
• Brachytherapy is commonly used as an effective treatment for cervical, prostate, breast, and skin cancer in many parts of the world. Why Brachytherapy is an offshoot of which among the following forms of Cancer Treatment?
• Who among the following scientists is known for developing techniques for DNA fingerprinting and DNA profiling which are now used all over the world in forensic science to assist police detective work?
• An instrument called ―Theodolite‖ is used in which among the following ?