Physics The cover of a solar cooker is made of glass because It rediates heat better than metals It absorbs sun's rays It reflects sun's rays It retains the heat inside by the green house effect It rediates heat better than metals It absorbs sun's rays It reflects sun's rays It retains the heat inside by the green house effect ANSWER DOWNLOAD EXAMIANS APP
Physics Rocket works on the principle of Newton's First Law Archimedes Principle Newton's Second Law Newton's Third Law Newton's First Law Archimedes Principle Newton's Second Law Newton's Third Law ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage ANSWER DOWNLOAD EXAMIANS APP
Physics The waves used in sonography are Micro waves Sound waves Ultrasonic waves Infra-red waves Micro waves Sound waves Ultrasonic waves Infra-red waves ANSWER DOWNLOAD EXAMIANS APP
Physics For accurate scientific work, temperatures are often measured by Platinum resistance thermometers Thermoelectric thermometers Mercury thermometers Alcohol thermometers Platinum resistance thermometers Thermoelectric thermometers Mercury thermometers Alcohol thermometers ANSWER DOWNLOAD EXAMIANS APP
Physics Kinetic energy depends on The mass of the moving body Both mass and velocity of the moving body The velocity or speed of the moving body. The pressure of the moving body The mass of the moving body Both mass and velocity of the moving body The velocity or speed of the moving body. The pressure of the moving body ANSWER DOWNLOAD EXAMIANS APP