Second layer of the Earth’s atmosphere is__________?
A. Stratosphere
B. Mesosphere
C. Troposphere
D. Thermosphere
B. Mesosphere
C. Troposphere
D. Thermosphere
A. Impure-Conductor
C. Simple Conductor
D. None of these
A. electron
C. photon
D. positron (more…)
A. fast
B. slow
C. equal to the velocity of light
A. Infra-Red Rays
C. Ultraviolet Rays
D. Dense Rays (more…)
A. Chadwick
B. JJ Thomson
D. Bohr
Submitted by: Aslam
A. Newton
C. Schrodinger
D. None of these