1. Welcome everybody

2. Teacher’s Identity SYED SAIFUL ISLAM Senior Asst. Teacher Jessore International School (JIS), Jessore Cantt. Jessore

3. Learning Outcomes  Students will be able to define how X – Ray is generated.  Able to Explain the use of X- Ray’.  Able to analyze the good & harmful effects of X-Ray.  Able to utilize X-ray to find out the metal crack in the industrial area.  Students will be able to define how X – Ray is generated.  Able to Explain the use of X- Ray’.  Able to analyze the good & harmful effects of X-Ray.  Able to utilize X-ray to find out the metal crack in the industrial area.

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5. Can you determine what object was radiographed in this slide?

6. Class: Ten Chapter: Twenty Four Time : 50 min. Class: Ten Chapter: Twenty Four Time : 50 min.

7. X-RayXX Todays Lesson X - R a y

8. High Electrical Potential Electrons __ + X-ray Generator or Radioactive Source Creates Radiation E xposure Recording Device Radiation Penetrate the Sample How X-Ray Produces - Ve potential

9. +ve HT - ve HT Fig- X-Ray Tube

10. How X-ray works on Film

12. FILM RADIOGRAPHY Top view of developed film

13. Properties of X-ray

14. Group Work Find out the the frequency of ‘X’ – Ray band.

15. Technique is used to save human life in medical sector. Very useful to inspect and detect metal and luggage's in airport and industrial sector. Are used to locate an explosive in a box or leather container. The custom officials make use of these rays in finding smuggled goods. Technique is used to save human life in medical sector. Very useful to inspect and detect metal and luggage's in airport and industrial sector. Are used to locate an explosive in a box or leather container. The custom officials make use of these rays in finding smuggled goods. Advantages of X-ray/Radiography

16. Good effects of X’– Ray 1.Can detect broke bone and internal organs of human body 2.Can be used to detect crack of industrial equipment's.

17. Harmful Effects of X-ray Excessive use damages human limbs. It creates radiation hazards.

18. Remedial action 1. Use Radiation Proof Apron. 2. Avoid Radiation area if possible. 3. Use Radiation film Badge.

19. Technicians who works with radiation must wear monitoring devices that keep track of their total absorption, and alert them when they are in a high radiation area. Survey Meter Pocket Dosimeter Radiation Alarm Radiation Badge

20. Evaluation  What is X-Ray?  What are the main use of X-Ray?  What are the harmful effect of X-Ray?  What is roentgen?  What is X-Ray?  What are the main use of X-Ray?  What are the harmful effect of X-Ray?  What is roentgen?

21. Home Work  How will you utilize this knowledge in your practical life by learning X– Ray? Explain in detail.

22. THANKS TO ALL ধন্যবাদ সবাই কে THANKS TO ALL