Select Board & Class
what is an organ pipe ? describe the various mode of vibration in an open organ pipe .
and what type of question ask by cbse examiner on this topic
Copyright © 2019 Applect Learning Systems Pvt. Ltd. All rights reserved.
E.g: 9876543210, 01112345678
We will give you a call shortly, Thank You
Office hours: 9:00 am to 9:00 pm IST (7 days a week)