Queue 4 Quiz (one question with a detail answer)

1.WHO DISCOVERED INFRA RED RAYS?
A) J.W.RITTER, B)WILLIAM HERSCHEL, C)JAMES WATT 


ANS: B) WILLIAM HERSCHEL.
ABOUT HIM: BIRTH:15TH NOVEMBER.
WHEN WILLIAM HERSCHEL PLACED A THERMOMETER NEAR THE RED END OF THE SPECTRUM, THERE IS A RISE IN THE MERCURY LEVEL.THIS IS HOW HE DISCOVERED I.R.RAYS.

HE ALSO HAD DISCOVERED THE 7TH PLANET URANUS. ALSO DEVICED 400 TELESCOPES.OTHER DISCOVERIES ARE MOONS OF SATURN (ENCELADUS,MIMAS) AND MOONS OF URANUS (TITANIA,OBERON)