- Data Structure
- Networking
- RDBMS
- Operating System
- Java
- MS Excel
- iOS
- HTML
- CSS
- Android
- Python
- C Programming
- C++
- C#
- MongoDB
- MySQL
- Javascript
- PHP
- Physics
- Chemistry
- Biology
- Mathematics
- English
- Economics
- Psychology
- Social Studies
- Fashion Studies
- Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Define X-rays?
X-rays are a form of electromagnetic waves. It was discovered by the professor of Physics Wilhelm Roentgen, in 1895.
It is used to creates pictures of the inside body. Most of the X-rays are absorbed by the Calcium present in the bones, so bones look white, while fat and other soft tissues absorb less and look grey.
Advertisements