The maximum permissible workday dose for occupational exposure to radiation is 26 mrem
A 55-kg laboratory technician absorbs 3.3 mJ of 0.40-MeV gamma rays in a workday. The relative biological efficiency (RBE) for gamma rays is 1.00. What is the ratio of the equivalent dosage received by the technician to the maximum permissible equivalent dosage?
A) 0.32 B) 0.30 C) 0.25 D) 0.23 E) 0.28
D
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A variable resistor is connected to a constant voltage source. When the resistance is increased from 5.5 
to 9.3
what happens to the power dissipated?
A. no change B. a 35% decrease C. a 41% decrease D. a 59% decrease E. a 69% decrease
The absolute magnitude of a star is the apparent magnitude it would have if it were 10 pc from Earth
Indicate whether the statement is true or false
Differentiate the S-, C- and M-type asteroids
What will be an ideal response?
Uniform Electric Fields: A battery maintains the electrical potential difference of 6.0-V between two large parallel metal plates separated by 1.0 mm. What is the strength of the electric field between the plates?
A. 6.0 V/m B. 600 V/m C. 6000 V/m D. zero