Question

5. Which of the following is Used in Atomic clocks----
A Laser
B. Quarts
C Maser
D Helium​

Answer 1

Answer:

A laser is Used in Atomic clocks.

Answer 2

Laser is used in Atomic clocks.

• Atomic clocks are the clocks that measure time very accurately.
• It uses certain atomic frequencies of the elements such as cesium and rubidium to keep the time fully correct.
• Laser is the light that uses monochromatic rays to emit photons.
• A quart is a unit for measuring capacity.
• Maser is a stimulating device that emits radiation by exciting the electrons.
• Helium is the second element of the periodic table. it is a noble gas.
• So Laser is used in atomic clocks.