| Ranjita asks : An astronmical telescope has an objective of focal length 200 cm and an eyepiece of focal length 10 cm . An observer ajusts the distance of the eyepiece from the objective to obtain the image of the sun on a screen 40 cm behind the eyepiece. The diameter of the sun’s image is 6.0 cm .Find the diameter of the sun. The average earth-sun distance is 1.5x 1011 m. |
| Anuhya asks : what is fiscal policy means and what is its objective? |
| Shreya vajjpayi asks : is english ppr in cwe po ...descri and objective of qualifying nature only? |