The time interval between two dots of ticker tape is 0.02seconds.
It is a device to record an object's movement by taking a spot on paper tape at regular time intervals. A typical ticker time is used in household products .So, the ticker timer is closely related to the frequency they supplied household power.
On ticker tape there are 15 dots per second print so, the time between each dot is 1/15 of a second which is equal to 0.02 sec .
Hence time intervals is 0.02sec
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