crookes radiometer वाक्य
"crookes radiometer" हिंदी में crookes radiometer in a sentenceउदाहरण वाक्य
- The pressure is very feeble, but can be detected by allowing the radiation to fall upon a delicately poised vane of reflective metal in a Nichols radiometer ( this should not be confused with the Crookes radiometer, whose characteristic motion is " not " caused by radiation pressure but by impacting gas molecules ).