89 followers • Science & Technology
Oct 3, 2023 • 2h 32m • 66 views
In this class, Ashish kumar will discuss प्रकाश तरंग (लेंस एवं उसके प्रकार) , ध्वनि तरंग.It will be helpful for the aspirants preparing for UPSC. This class will be conducted in Hindi and the notes will be provided in Hindi.