How is time regulated in a wristwatch and a cesium clock?

  • A
    Wristwatch uses quartz crystal oscillations; Cesium clock uses atomic vibrations.
  • B
    Wristwatch uses mechanical gears; Cesium clock uses quartz oscillations.
  • C
    Wristwatch uses atomic vibrations; Cesium clock uses mechanical gears.
  • D
    Both use mechanical gears.

Explore More

Similar Questions

Define the unit of mass in nuclear physics. Explain the measurement of the mass of a body.

The nearest star to our solar system is $4.29$ light years away. How much is this distance in terms of parsecs? How much parallax would this star (named Alpha Centauri) show when viewed from two locations of the Earth six months apart in its orbit around the Sun?

$A$ cuboidal block has dimensions $(1.5 \times 1.5 \times 1.0) \ cm$. What is the total surface area of the cuboid (in $cm^2$)?

Explain the method for the measurement of the diameter of a planet or star.

Difficult
View Solution

Calculate the solid angle subtended by the periphery of an area of $1 \, cm^2$ at a point situated symmetrically at a distance of $5 \, cm$ from the area. (in $, sr$)

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo