Physics Ozone layer in the outer atmosphere helps us in Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing cosmic ray particles Absorbing UV radiations Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing cosmic ray particles Absorbing UV radiations ANSWER DOWNLOAD EXAMIANS APP
Physics Circuit breaker usually operate under Sub-transient state of short-circuit current Steady state of short-circuit current Transient state of short-circuit current After D. C. component has ceased Sub-transient state of short-circuit current Steady state of short-circuit current Transient state of short-circuit current After D. C. component has ceased ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Glass Vacuum Air Water Glass Vacuum Air Water ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes work on the principle of Bernoulli's theorem Newton's law Pascal's law Thomson's law Bernoulli's theorem Newton's law Pascal's law Thomson's law ANSWER DOWNLOAD EXAMIANS APP
Physics Which planet has the lowest density? Earth Saturn Jupiter Neptune Earth Saturn Jupiter Neptune ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall Depends on the area of the wall Increases with height of the wall Depends on the thickness of the wall Increases with depth of the wall Depends on the area of the wall Increases with height of the wall Depends on the thickness of the wall Increases with depth of the wall ANSWER DOWNLOAD EXAMIANS APP