# முனைவாக்கம், மூலக்கூறு, மூலதனம்


## முனைவாக்கம்

முனைவாக்கம், முனைவாக்கக் கதிர்களின் சுழற்சி குறித்த விளக்கம்

{{< youtube z0Yy-yltG9U >}}

## மேலதிக வாசிப்புக்கு:

1. ஒளிவினை பற்றிய விளக்கங்களுக்கு: Crystals and Optics, Elizabeth Wood, Dover Publications.
    
2. Pill Pushers,  Robert Langreth and Matthew Herper, Forbes, May 08, 2006 ([http://www.forbes.com/business/forbes/2006/0508/094a_4.html](http://www.forbes.com/business/forbes/2006/0508/094a_4.html)).
    
3. High Prices - How to think about drugs, Malcom Gladwell, New Yorker, Oct. 25, 2004  ([http://www.newyorker.com/archive/2004/10/25/041025crat_atlarge](http://www.newyorker.com/archive/2004/10/25/041025crat_atlarge)).
    
4. US Presidential Elections - Long term contribution trends, Pharmaceuticals/Health products, ([http://opensecrets.org/industries/indus.asp?Ind=H04](http://opensecrets.org/industries/indus.asp?Ind=H04)).
    
5. Questions and Answers: NDMA impurities in ranitidine (commonly known as Zantac), ([https://www.fda.gov/drugs/drug-safety-and-availability/questions-and-answers-ndma-impurities-ranitidine-commonly-known-zantac](https://www.fda.gov/drugs/drug-safety-and-availability/questions-and-answers-ndma-impurities-ranitidine-commonly-known-zantac)).
    
6. Ranitidine still widely used five years after global ban over cancer risk, India to assess safety, [https://thesouthfirst.com/health/ranitidine-still-widely-used-five-years-after-global-ban-over-cancer-risk-india-to-assess-safety/](https://thesouthfirst.com/health/ranitidine-still-widely-used-five-years-after-global-ban-over-cancer-risk-india-to-assess-safety/)