The relativistic effect of time dilation has been verified by which of the following?
A) twin experiments
B) red shift in distant galaxies
C) muon experiments
D) the discovery of black holes
A mass is bouncing on the end of a spring with a period T when measured by a ground observer. What would the period of oscillation be (as measured by the same observer) if the mass and spring were moving past the ground observer at a speed of 0.600c?
A) 0.440 T
B) 1.25 T
C) 0.600 T
D) 1.67 T
According to the special theory of relativity, which of the following happens to the size of the time interval between two events occurring in an inertial frame of reference as the frame's velocity with respect to the observer increases?
A) interval decreases
B) interval vanishes to zero when velocity equals half speed of light
C) interval increases
D) interval remains constant
According to the special theory of relativity, if a 35 year old astronaut sent on a space mission is accelerated to speeds close to that of light, and then returns to Earth after 20 years as measured on earth, what would be his biological age upon returning?
A) less than 55 years
B) more than 55 years
C) exactly 110 years
D) 55 years