Physics Magnetic keepers are pieces of Soft iron Nickel Steel Cobalt Soft iron Nickel Steel Cobalt ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Diffraction Polarization Reflection Interference Diffraction Polarization Reflection Interference ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Total internal reflection Refraction Reflection Diffraction Total internal reflection Refraction Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a conductor of electricity ? Pure water Salt water Benzene Rubber Pure water Salt water Benzene Rubber ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 100 J 75 J 50 J 150 J 100 J 75 J 50 J 150 J ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of sky appears blue due to Reflection Scattering of shorter wave lengths Dispersion Refraction Reflection Scattering of shorter wave lengths Dispersion Refraction ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS