T0 MY PRESENTATION MD. SHOBHAN LECTURER, DEPARTMENT OF PHYSICS MILESTONE COLLEGE, DHAKA.

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Presentation transcript:

T0 MY PRESENTATION MD. SHOBHAN LECTURER, DEPARTMENT OF PHYSICS MILESTONE COLLEGE, DHAKA.

CHAPTER TWENTY FOUR MODERN PHYSICS CLASS- IX

LEARNING OUTCOME They will be capable to say the …

X-ray General Light X-ray can ionize a gas. X-ray is not perceptible. It is divided into different colours. It can penetrate any opaque body. It can not penetrate any opaque body. It’s wave lengths is low. It’s wave lengths is high. It can not ionize a gas.

1200 volt 24 volt Soft X-ray:

30000 volt 24 volt Hard X-ray:

Soft x-ray

X-ray in detective works

GROUP WORK

Evaluation: What are the difference between soft and hard X-rays ? What are the properties of X-rays ?

Analyze with comparison of general light with X-rays. Home Task

ANY QUESTION ?

THANKS TO ALL

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