Physics Ozone layer in the outer atmosphere helps us in Regulating the temperature of atmosphere Reflecting radio waves and makes radio communication possible Absorbing cosmic ray particles Absorbing UV radiations Regulating the temperature of atmosphere Reflecting radio waves and makes radio communication possible Absorbing cosmic ray particles Absorbing UV radiations ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Glass to air Water to glass Water to air Glass to water Glass to air Water to glass Water to air Glass to water ANSWER DOWNLOAD EXAMIANS APP
Physics The direction of heat flow between two objects depends on Their temperatures Their masses Their heat contents Whether they are in solid, liquid or gaseous state Their temperatures Their masses Their heat contents Whether they are in solid, liquid or gaseous state ANSWER DOWNLOAD EXAMIANS APP
Physics Good conductor of electricity is Paper Kerosene Dry air Graphite Paper Kerosene Dry air Graphite ANSWER DOWNLOAD EXAMIANS APP
Physics Shock-absorbers are usually made of steel as it : Has no ductile property Has lower elasticity Has higher elasticity Is not brittle Has no ductile property Has lower elasticity Has higher elasticity Is not brittle ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Ultrasonic wave Infrasonic wave Audible wave Microwave Ultrasonic wave Infrasonic wave Audible wave Microwave ANSWER DOWNLOAD EXAMIANS APP