SSC CPO 202081)The discovery and understanding of electromagnetic induction is based on a long series of experiments carried out by ______.
Faraday and Henry
SSC CPO 202082)Electrical conductance through metals is called electronic conductance and it ______.
decreases with increase in temperature
SSC CPO 202083)One calorie of heat energy is equivalent to approximately ______ joules of mechanical energy.
4.2
SSC CPO 202084)30̊ Celcius = ______ Kelvin (approximately)
303
SSC CPO 202085)‘mho’ is the unit of ______ of a substance.
conductance
SSC CPO 202086)______ waves include visible light waves, X-rays, gamma rays, radio waves, microwaves, ultraviolet and infrared waves.
Electromagnetic
SSC CPO 202087)______ is a naturally occurring phenomenon that is responsible for the heating of the Earth’s surface and atmosphere.
Greenhouse effect
SSC CPO 202088)______ are also known as heat waves.
Infra-red waves
SSC CPO 202089)In a galvanic cell, the half-cell in which oxidation takes place is called ______ and it has a negative potential with respect to the solution.
anode
SSC CPO 202090)The phenomenon of deviation of light rays from their original path, when they pass from one medium to another, is called ______.
refraction