Home
Class 11
PHYSICS
Which of the following time measuring de...

Which of the following time measuring devices is most precise

A

A wall clock

B

An atomic clock

C

A digital watch

D

A stop watch.

Text Solution

Verified by Experts

The correct Answer is:
B
An atomic clock is the most precise time measuring device because atomic oscillations are repeated with a precision of 1s in `10^(13)s`.
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENTS

    NCERT FINGERTIPS|Exercise Significant Figures|10 Videos

  • UNITS AND MEASUREMENTS

    NCERT FINGERTIPS|Exercise Dimensions Of Physical Quantities|6 Videos

  • UNITS AND MEASUREMENTS

    NCERT FINGERTIPS|Exercise Measurement Of Mass|9 Videos

  • THERMODYNAMICS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • WAVES

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

Which of the following length measurement is (i) most precise and (ii) least precise? (a) I= 5cm (b) I =5.00cm (c ) I= 5.000 cm (d) I = 5.0000cm.

Which of the following length measurements is most precise and why? (a) 2.0 cm , (b) 2.00 cm , ( c ) 2.000 cm

which of the following measurements is most precise ?

The mean length of an object is 5 cm. Which of the following measurements is most accurate?

The mean length of an object is 5cm . Which of the following measurement is most accurate?

Which of the following measurement is most precise?