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A quality radiograph is obtained using a 4 inch pid and an exposure time of 3 impulses. The pid was removed and replaced with a 16 inch pid. What should the new exposure time be to maintain image density?
5What type of image will it produce when using the bisecting angle technique, directing the x-ray beam perpendicular to the long axis of the teeth?
5A diagnostic film is produced using 10 ma and .5 second. What exposure time is needed to produce the same film at 20 ma?
5
What are the cells that are most sensitive to x-radiation?
What is the unit of time used to measure x-rays exposure?
What is a type of radiations used in dental x-rays?
Why lead foil sheet in the film packet is used?
What is the optimal temperature of the developer solution in a manual film processing setup?
Explain what is emulsion?
List out the differences between x-rays and mri?
In u.s.a, who regulates the devices used for radiation and monitor its usage?
Explain the principle of x-ray in radiology?
What is the maintenance process in x-ray unit?
Who discovered the x-radiation?
Mention what is the unit to measure x-rays exposure?
What are the radiations and technology that radiologist uses?
Is it dangerous if a person is exposed to x-rays frequently?
What is the call frequency?
