(A) One curei
(B) One Becquerel
(C) One half-life
(D) One Henry
Author:
Half-life of a radioactive substance depends upon?
(A) Temperature
(B) Pressure
(C) Nature of substance
(D) Electric and magnetic field
The decay constant λ of a radioactive sample:
(A) Decreases as the age of atoms increase
(B) Increases as the age of atoms increase
(C) Is independent of the age of atom
(D) Depends on the nature of activity
SI unit of radioactivity is:
(A) Curie
(B) Becquerel
(C) Roentgen
(D) Rutherford
The Z-table is derived from__.
(A) the standard deviation
(B) random sampling
(C) the normal distribution
(D) the Z- scores
The perception of depth and distance in a 3-dimensional space depends mostly on__.
(A) binocular vision
(B) texture-density gradient
(C) interposition
(D) movement detectors
In perceiving the distance a sound has traveled, a person depends heavily upon:
(A) loudness and intensity
(B) resonance
(C) brightness and hue
(D) frequency
”Template matching” is a model developed to account for__.
(A) neurotransmission
(B) sensation
(C) auditory functions
(D) perception