Optic fibers are mainly used for which of the following?
1 Communication
2 Weaving
3 Musical instruments
4 Eye surgery
In which of the following processes light energy is converted into chemical energy? 1 Respiration 2 Fermentation 3 Photosynthesis 4 Photoresiration
The main important feature of neutron bomb is that when it is dropped on a city, it would damage 1 Both the living organisms and buildings 2 The buildings but not the living organisms 3 The living organisms but spare buildings 4 None of these
3 Answers GTY, Indian Railways, Option 3, RRB, RRC Railway Recruitment Cell,
Which of the following metals was first discovered by man? 1 Bronze 2 Silver 3 Iron 4 Copper
describe the function of muscles
plants in a food chain are actually the
2 Answers Competitive Exams, Stenographer,
abbrivation for ROA in oracle?
What are luminous irregular nebulae?
infra-red rays were first detected by? the intensity level of sound is measured in? the material used for a fuse wire should? radioactivity is a property of? what is the source of electric energy in an artificial satellite? the following is used as a lubricant in heavy machines? supher, bauxite , graphite, phosphorus
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
The percentage of carbon is the least in 1 Grey cast iron 2 Wrought iron 3 White cast iron 4 Steel
what are the advantages and disadvantages of empirical knowledge?
What is light year?