Choose the correct options for the following questions.
Practically the quantity v/c is always:
Difficulty: Easy
A:
Less than one
B:
Equal to one
C:
Greater than one
D:
All
Tick the correct statement:
Difficulty: Easy
A:
$t_{o}$ is always less than t
B:
$m_{o}$ is always greater than m
C:
$l_{o}$ is always less than l
D:
Both a and c
Due to relative motion of observer and the frame of reference of events, time always:
Difficulty: Easy
A:
Dilates itself
B:
Contracts itself
C:
Stretches itself
D:
Both a and c
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