Answer Posted / guest
It is a substance which allows light to pass through it
easily and through which objects cannot be seen clearly e.g.
ground glass, greased paper.
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
The velocity of sound in gas depends upon what?
What is the index of refraction of air?
What is photometry?
How does a sound wave travel in air?
How do fireworks turn into shapes like hearts and stars?
What is the musical sound?
Explain the different parts of the x-ray radiation intensity graph? : quantum physics
What is sonar?
what is the principle used in electromagnetic spectrum?and why there is a necessary of having an electron with unpaired spins?and how the uncertainity principle is used to determine the frequency of an spectral lines ?
In the 19th century, this scottish scientist showed that all magnetic and all electric phenomena could be described by four equations that often bear his name. What ishis name?
State 'law of machines'?
What are wave fronts?
Explain what is the longest lasting synthetic periodic element?
What formula is most appropriate to compute the kinetic energy of a block of ice sliding down an inclined plane?
What cycle most directly describes the working cycle of a heat engine operating as an ideal engine of maximum thermal efficiency?