Physics The base of an electric iron is brightly polished mainly To reduce heat loss by radiation To make it smooth and frictionless To make it rust-proof To make it more durable To reduce heat loss by radiation To make it smooth and frictionless To make it rust-proof To make it more durable ANSWER DOWNLOAD EXAMIANS APP
Physics The information of brilliant colors in a thin soap film is a consequence of the phenomena of Multiple reflection and interference Polarization and interference Diffraction and dispersion Multiple refraction and dispersion Multiple reflection and interference Polarization and interference Diffraction and dispersion Multiple refraction and dispersion ANSWER DOWNLOAD EXAMIANS APP
Physics Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds 0.5 1 11 5.5 0.5 1 11 5.5 ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Absence of gravity outside Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Absence of gravity outside Presence of gravity outside but not inside the spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Switch Regulator Amplifier Rectifier Switch Regulator Amplifier Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the second largest source of global energy? Nuclear Energy Fossil fuel None of these Renewable Energy Nuclear Energy Fossil fuel None of these Renewable Energy ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS