Physics A wheel-barrow is an example of Pulley system Class I lever Class III lever Class II lever Pulley system Class I lever Class III lever Class II lever ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Galvanic cell Electrochemical cell Photovoltaic cell Daniell cell Galvanic cell Electrochemical cell Photovoltaic cell Daniell cell ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They use less oxygen They fly inactively Their lungs are very large They have extra air sacs They use less oxygen They fly inactively Their lungs are very large They have extra air sacs ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to absorption of sunlight in minute water droplets refraction and reflection of sunlight by water droplets ionisation of water deposits diffusion of sunlight through water droplets absorption of sunlight in minute water droplets refraction and reflection of sunlight by water droplets ionisation of water deposits diffusion of sunlight through water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that He may increase his speed No frictional force may be produced between the wheels and the axle Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. His weight may be reduced He may increase his speed No frictional force may be produced between the wheels and the axle Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. His weight may be reduced ANSWER DOWNLOAD EXAMIANS APP
Physics Person who is colourblind cannot distinguish between Green and blue Red and green Black and yellow Yellow and white Green and blue Red and green Black and yellow Yellow and white ANSWER DOWNLOAD EXAMIANS APP