https://www.geekmcq.com/

Entry Test MCQ :: Nuclear Physics


61.  Pair production can take place only with
A. X-rays B. ?-rays
C. UV-rays D. IR-rays

62.  A device for producing high velocity nuclei is
A. cloud chamber B. linear accelerator
C. a mass spectrograph D. Wilson cloud chamber

63.  Which of the following will be a better shield against ?-rays?
A. ordinary water B. heavy water
C. lead D. aluminum

64.  The maximum safe limit dose for persons working in nuclear power station are
A. 1 rem per week B. 5 rem per week
C. 4 rem per week D. 3 rem per week

65.  Radiations are used for the treatment of skin of a patient is
A. ?-rays B. ?-rays
C. ?-rays D. X-rays




© 2012-2024 by GeekMCQ™ Technologies. All Rights Reserved | Copyright | Terms of Use & Privacy Policy

Contact us: info@geekmcq.com