Physics We feel cool when we sit near the fan, this is because Air vapourises the sweat on our body. Fan cools surrounding air. We feel cool when air touches the body. Fan gives cool air. Air vapourises the sweat on our body. Fan cools surrounding air. We feel cool when air touches the body. Fan gives cool air. ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument for measuring blueness of the sky or ocean is called ________ Barometer Bathymeter Cyanometer Ceraunograph Barometer Bathymeter Cyanometer Ceraunograph ANSWER DOWNLOAD EXAMIANS APP
Physics A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is: 3 7 6 5 3 7 6 5 ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : Endoscopy Ultrasound scans CAT scans X-ray photos Endoscopy Ultrasound scans CAT scans X-ray photos ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has More density than dry air. More pressure than dry air. Less density than dry air. Less pressure than dry air. More density than dry air. More pressure than dry air. Less density than dry air. Less pressure than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of Same amplitude Same phase Same frequency All of these Same amplitude Same phase Same frequency All of these ANSWER DOWNLOAD EXAMIANS APP