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 Speed of sound is maximum in which among the following? Vaccum Gases Liquids Solids Vaccum Gases Liquids Solids ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Dacrease Will increase first and then dcrease Increase Remain constant Dacrease Will increase first and then dcrease Increase Remain constant ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon varies directly with its Wave length Speed None of these Frequency Wave length Speed None of these Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics What is unit of Viscosity ? Joule per kilogram per Kelvin Watt per meter per degree celcius Coulomb Newton second per square meter Joule per kilogram per Kelvin Watt per meter per degree celcius Coulomb Newton second per square meter ANSWER DOWNLOAD EXAMIANS APP
Physics Which planet has the lowest density? Jupiter Neptune Saturn Earth Jupiter Neptune Saturn Earth ANSWER DOWNLOAD EXAMIANS APP
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