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The primary radiation that is initially produced within a fluorescent lamp is analogous to that emitted by a low pressure mercury lamp. Fluorescent lamps produce UV radiation by ionizing low-pressure mercury vapour. A phosphorescent coating on the inside of the tubes absorbs the UV and converts it to visible light.
Directions: In each of the questions, a sentence has been divided into four parts, one of which may contain an error. Identify that fragment and mark ...
In the days before the advent of television, the radio brought the family together to listen news, music and drama.
The quality of goods are very good but the shopkeepers have not been able to deal with the falling demand and rising cost of production of the commodi...
Find the correct sentence.
Identify the segment that contains a grammatical error. If there is no error, select 'No error'.
Not only the performers but also the audience de...
The Sweden based company is hopeful of replicating the success it has seen in its PC business even as competition in the segment is heating up by the day.
The complete of education marking a turning point in the life of every individual.
The villagers were in no mood to understand that tranquillising was not a good idea for an animal that was probable hungry and tired after having swim...
In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option.
Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.
No sooner did the ship touch the ...