Recent content by Avijit Palit

  1. Avijit Palit

    High School How to increase brightness of projector

    Plz give a explanation...
  2. Avijit Palit

    High School How to increase brightness of projector

    I have made a smartphone projector. But is has low brightness. How to increase brightness of projector... Help please
  3. Avijit Palit

    Stargazing How to measure a magnifying glass (I want to build a telescope)

    I want to build a telescope and want to know which type of lense is better suit for this. Please anyone help...