Physics What is the unit of relative density? It has no unit Kg/m Kg/m2 Kg/m3 It has no unit Kg/m Kg/m2 Kg/m3 ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Magnetic energy into mechanical energy Mechanical energy into electrical energy Electrical energy into mechanical energy Electrical energy into magnetic energy Magnetic energy into mechanical energy Mechanical energy into electrical energy Electrical energy into mechanical energy Electrical energy into magnetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a non-dimensional quantity? Gas constant Co-efficient of viscocity Plank's constant Strain Gas constant Co-efficient of viscocity Plank's constant Strain ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Reduce the friction between ground and the whee None of these Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee None of these Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Frequency None of these Wavelength Temperature Frequency None of these Wavelength Temperature ANSWER DOWNLOAD EXAMIANS APP
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