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Write two characteristics of Science.

0 Answers   Mahatma Gandhi University,

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A moderator is used in nuclear reactors in order to 1 Increase the number of neutrons 2 Decrease the number of neutrons 3 Slow down the speed of neutrons 4 Accelerate the neutrons

1 Answers  

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The dark lines in the solar spectrum are due to 1 Absorption of corresponding wavelengths by the prism used in he spectrograph 2 Destructive interference between waves of certain definite wavelengths 3 Absorption of corresponding wavelengths by the outer layers of the sun 4 None of these

1 Answers  

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When an iron nail gets rusted, iron oxide is formed 1 Without any change in the weight of the nail 2 With increase in the weight of the nail 3 With decrease in the weight of the nail 4 None of these

1 Answers  

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Who suggested that most of the mass of the atom is located in the nucleus? 1 Thompson 2 Bohr 3 Rutherford 4 None of these

3 Answers   Thomson,

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Epoxy resins are used as 1 Moth repellants 2 Insecticides 3 Detergents 4 Adhesives

1 Answers  

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iS ELEMENT IRON RADIOACTIVE AND WHY?

1 Answers  

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Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material? 1 Radium 2 Radon 3 Thorium 4 Plutonium

1 Answers  

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Study of life in outer space is called A) Endobiology B) Exobiology C) Entrobiology D) Neobiology

15 Answers   Exobiology, SSC,

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When was the second and third experimental explosion conducted?

0 Answers  

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Cooking oil can be converted into vegetables ghee by the process of 1 Oxidation 2 Hydrogenation 3 Distillation 4 Crystallization

4 Answers   SSC, TAPL,

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Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon

3 Answers   SSC,

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