Physics The redness in atmosphere at Sunrise and Sunset is due to : Scattering of light Reflection of light Dispersion of light Refraction of light Scattering of light Reflection of light Dispersion of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics The earth-wire of a cable is connected to The fuse of the appliance The filament of the appliance The outer metallic body of the appliance Short circuitry of the appliance The fuse of the appliance The filament of the appliance The outer metallic body of the appliance Short circuitry of the appliance ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 45 kHz 20kHz 35 kHz 60 kHz 45 kHz 20kHz 35 kHz 60 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of noise pollution (level) is : None of these Decibel Ppm Decimal None of these Decibel Ppm Decimal ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a non-dimensional quantity? Gas constant Plank's constant Co-efficient of viscocity Strain Gas constant Plank's constant Co-efficient of viscocity Strain ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 80 4000 2000 40 80 4000 2000 40 ANSWER DOWNLOAD EXAMIANS APP