PAPER-PEN TEST : 4
Pradeep Paul Physics Solutions for Exercise - PAPER-PEN TEST : 4
Simple step-by-step solutions to PAPER-PEN TEST : 4 questions of The Human Eye and The Colourful World from Concise Physics A Textbook of Science for Class X | Part -1. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from PAPER-PEN TEST : 4 with Hints & Solutions
What causes atmospheric refraction?
By how many times the day would have been shorter if the earth had no atmosphere? Justify.
Why do stars seem higher than they actually are? Illustrate.
Draw a diagram to illustrate the effect of atmospheric refraction at sunset.
Why do stars twinkle at night?
Name any three effects produced by the atmospheric refraction.
If we look at the objects through the hot air over a fire, the objects appear to be moving slightly. Why?
Draw a diagram to illustrate the effect of atmospheric refraction at sunrise.
