SSC
PHYSICS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
They have an electric circuit that works with the help of cells. They provide accurate time.
|
|
Pendulum clock
|
|
|
Sand clock
|
|
|
Quartz clock
|
|
|
Water clock
|
Explanation:
Detailed explanation-1: -A Quartz watch works as: A battery produces a current in the watch circuit, of which the quartz crystal is a part. This current causes the quartz to vibrate at precisely 32768 times a second. The circuit counts to oscillations and turns each 32768 vibrations into one electric pulse.
Detailed explanation-2: -L, S, and C type cells are today the most commonly used types in quartz watches, calculators, small PDA devices, computer clocks, and blinky lights. Miniature zinc-air batteries – P type – are used in hearing aids and medical instruments.
There is 1 question to complete.