Asked Jan 17, 2020

Why is invar used in making a clock pendulum?


Expert Answer

Step 1

Invar is an alloy which has a very small linear coefficient of expansion.

Hence it...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in




Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A

Q: What is maximum diameter of brass rod if it has to support a 400N load without exceeding its elastic...

A: Let Y be the stress on the brass rod, F be the load, A be the cross-sectional area, and D be the dia...


Q: Define the term mobility of charge carriers. Write its S.I. unit.

A: The mobility of charge carriers is a measure of how fast a charge carrier moves in an electric field...


Q: How does running hot water on a jar lid loosen it?

A: The running hot water on a jar lid loosen it because metals conduct more heat than glass.


Q: Find the amount of work done in blowing a soap bubble of surface tension 0.06N/m from 2cm radius to ...

A: The equation for the work done is given by,


Q: What is the value of Young's modulus of rigidity of a fluid?

A: The definition of a fluid state that no matter how small a force is, no fluid can maintain tangentia...


Q: What is amplitude modulation and frequency modulation?

A: Amplitude modulation :Amplitude modulation is a modulation technique where the amplitude of a carrie...


Q: For two satellites at distance Rand 7R above the Earth's surface , the ratio of their total energies...

A: Let distance of the two satellite from the center of the Earth are  and r1=2R, r2=8R


Q: A flat area 200cm2 is seperated from a large plate by a layer of oil 2mm thick . If coefficient of v...

A: According to Newton’s formula of viscosity


Q: A particle is moving in a straight line with uniform acceleration -5m/s2 and initial velocity 12.5m/...

A: the  distance travelled for particle in uiform motion is,