Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Speed Frequency Wavelength Amplitude Speed Frequency Wavelength Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics When an atom loses an electron it becomes Negative ion None of these Positive ion Neutron Negative ion None of these Positive ion Neutron ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Ultra violet Red light Infra red Cosmic rays Ultra violet Red light Infra red Cosmic rays ANSWER DOWNLOAD EXAMIANS APP
Physics What measures Air pressure? Spectrometer Bolometer Barometer Barkometer Spectrometer Bolometer Barometer Barkometer ANSWER DOWNLOAD EXAMIANS APP
Physics The term photon refers to None of these Light ray Sub atomic particle Radiation None of these Light ray Sub atomic particle Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Efficiency is 100% Force is applied in a convenient direction Velocity ratio is low Mechanical advantage is high Efficiency is 100% Force is applied in a convenient direction Velocity ratio is low Mechanical advantage is high ANSWER DOWNLOAD EXAMIANS APP