Lasers are widely used in various walks of life. These are
sources of
(1) Sound waves of very high frequency
(2) Sound waves of very high intensity
(3) Light waves which are coherent
(4) High speed electrons
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For reproducing sound, a CD (Compact Disc) audio player uses a (a) Quarts crystal (b) Titanium needle (c) Laser beam (d) Barium titanate ceramic
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Naval Aacademy is located at 1 Cochin 2 Mumbai 3 Chennai 4 Kolkota
The material used for bleaching paper pulp is 1 Chlorine 2 Caustic soda 3 Sodium hypochlorite 4 Lime
Which one of the following is known as Salt Petre ? (a) NaCL (b) NaNO3 (c) Na2CO3 (d) NaHCO3
. Match the following A - Leismania 1. Yellow fever B - Triponosoma 2. Malaria C - Tse-Tse fly 3. Lack of Sleeping D - Plasmodia 4. Kala Azar (a) A B C D 2 1 4 3 (b) A B C D 1 3 2 4 (c) A B C D 4 3 1 2 (d) A B C D 3 4 1 2
Which country has allocated US$ 10 billion to provide relief to its earthquake victims?
The rapid sliding of large masses of rock with little or no flow is: (a) landslide (b) mud flow (c) talus
India is the top producer of 1 Silver 2 Coffee 3 Wheat 4 Banana
The nearest planet to the earth is: (a) Mercury (b) Saturn (c) Venus (d) Jupiter
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A news item published recently stated that the Gross Domestic Product of a country took a sudden boost after the income from the trade in illegal drugs was taken into account. Which of the following is the country and its new GDP? 1 Bangladesh, 200 million dollars 2 Nigeria, 350 million dollars 3 Ethiopia, 453 million dollars 4 Colombia, 512 million dollars
The first Agricultural Census in Indian was conducted in the agricultural year 1 1970-71 2 1960-61 3 1980-81 4 None of these
JIT is a technique that is related to: (A) efficient management of plant operations (B) efficient management of inventories (C) efficient management of personnel (D) efficient management of finances
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