Question
The radiation initially produced in fluorescent tube is
–Solution
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.
Which of the following is the correct match of column-A with column-B?
The period of 1600 to 1700 in the history is known as_______?
0.25 g of an organic compound gave 0.20 g of CO₂ after complete combustion. The percentage composition of carbon is _____.
First session of Indian National Congress held in ______
What service does the eSanjeevani platform provide?
Which bank has recently partnered with the Indian Olympic Association?
During one of the Five-Year Plans which of the following politicians gave the slogan ‘Garibi Hatao’?
- Which of the following Cyclone recently hit Arabian Sea from 14 May 2021 – 19 May 2021 ?
Pandit Ravi Shankar popularised which instrument in particular all over the world?
For the first time in India, the Merchandise export crossed was crossed to 400 billion USD in?