KERALA PSC LDC EXAM COACHING 2013
PHYSICS
1.How much meter is 1nm(Nanometer)?
10-9 meter
2.Who invented Quantum Theory?
Max Plank
3.Who invented Photo Electric Effect?
Henrich Hertz
4.Who presented corpuscular theory of Light?
Issac Newton
5.Who presented Wave theory of Light?
Christian Higans
6.Light Year is the unit of ……….
Distance(To calculate the distance to stars)
7.Unit of intensity of light
Candella
8.The study of light
Optics
9.The light travels faster in ---------
Vaccum
10.Who prove light rays are transverse wave not longitudinal wave?
Augustine Frenel