Physics If a copper wire is increased to double its length, its resistance will become Four times One–fourth Half Double Four times One–fourth Half Double ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is Beta rays Alpha rays Gamma rays None of these Beta rays Alpha rays Gamma rays None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves do not show the phenomenon of Polarisation Diffraction Refraction Interference Polarisation Diffraction Refraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is Heinrich Hertz Thomas Alva Edison James Clerk Maxwell John Logie Baird Heinrich Hertz Thomas Alva Edison James Clerk Maxwell John Logie Baird ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. Equal to Greater than Less than Greater than or equal to Equal to Greater than Less than Greater than or equal to ANSWER DOWNLOAD EXAMIANS APP
Physics A pilot has to release the bomb to hit a target None of these Before the target Beyond the target Right above the target None of these Before the target Beyond the target Right above the target ANSWER DOWNLOAD EXAMIANS APP