Question

The frequency of the longitudinal optical phonon for equation at the centre of the first Brillouin zone is equation. Calculate the interatomic force constant for this material. (The atomic weight of equation and equation)

29 Jan 2026
Answer :
Word Count : 175
The interatomic force constant (k) is related to the frequency of the optical phonon by the formula for a diatomic linear lattice: [ \omega = \sqrt{\frac{2k}{\mu}} ] where (\mu) is the reduced mass of the _______ ____ _________ ______ ________ __________ ___ ________.
________ ______ ___ ____ _________ ______.
________ _____ _______ ______ ______ _______ __________ ____ ____ _____.
___ ____ ___ ____ _______ __________ ___ ____.
____ ________ _________ _____ _____ _____ ____ __________ _______ ___.
_____ ______ _________ _____ ___.
_____ _____ _________ ______ ______ ___ ___ ______.
______ _________ _________ ______ __________ __________ _______ _____.
______ ___ __________ _____ _______.
__________ ______ _______ ________ _____.
____ ______ ____ ______ __________ ________.
___ ______ _____ _____ ______ _______ ____ _______.
_________ _________ _____ ___ ______ ________ _____ __________ _____ ______ _____ _________.
_____ _______ ________ ____ ______ ____ ________ ____ _________ _________ _____ _________.
________ _____ ______ _________ ______.
____ _________ _____ ______ _______ ______ __________ __________ _________ ________ ________.
_______ ____ _____ ________ ______ _______ _______ _________.
_______ ___ __________ __________ _________.
Get Full Answer on WhatsApp
IGNOU NEWS
Assignment Submission Last Date Extended Till 30 June 2026 Click Here★★★IGNOU June 2026 TEE Date Sheet Released Click Here★★★
Top
📞
Call Support Instant phone assistance The frequency of the longitudinal optical phonon for  at the
→
🟢
WhatsApp Chat Fast live messaging
→
Email Us Business enquiries & support
→