Physics If a copper wire is increased to double its length, its resistance will become One–fourth Double Four times Half One–fourth Double Four times Half ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Magnetic energy into mechanical energy Electrical energy into mechanical energy Mechanical energy into electrical energy Electrical energy into magnetic energy Magnetic energy into mechanical energy Electrical energy into mechanical energy Mechanical energy into electrical energy Electrical energy into magnetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics Pa(Pascal) is the unit for Frequency Conductivity Pressure Thrust Frequency Conductivity Pressure Thrust ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Refraction No option is correct Diffraction Propagation Refraction No option is correct Diffraction Propagation ANSWER DOWNLOAD EXAMIANS APP
Physics A water tank appears shallower when it is viewed from top due to Refraction Total internal reflection Reflection Rectilinear propagation of light Refraction Total internal reflection Reflection Rectilinear propagation of light ANSWER DOWNLOAD EXAMIANS APP
Physics An image formed by a plane mirror, that cannot be obtained on a screen is called ________ Real image Erect image Virtual image Inverted image Real image Erect image Virtual image Inverted image ANSWER DOWNLOAD EXAMIANS APP