Physics Infrasonic sound has a frequency lower than 5 Hz 15 Hz 32 Hz 20 Hz 5 Hz 15 Hz 32 Hz 20 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. ANSWER DOWNLOAD EXAMIANS APP
Physics In sunlight a rose appears red. In green light, the same rose appears Black Yellow Green Red Black Yellow Green Red ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 36 12 24 50 36 12 24 50 ANSWER DOWNLOAD EXAMIANS APP
Physics Number of lattices in the orthorhombic system is 7 5 8 4 7 5 8 4 ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Air pressure decreases with decrease in weight Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in weight Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it ANSWER DOWNLOAD EXAMIANS APP