Physics Dioptre is the unit of Light intensity Focal length of a lens Sound intensity Power of a lens Light intensity Focal length of a lens Sound intensity Power of a lens ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria Infrared rays X-rays Microwave radiation Ultra-violet radiation Infrared rays X-rays Microwave radiation Ultra-violet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 35 kHz 60 kHz 45 kHz 20kHz 35 kHz 60 kHz 45 kHz 20kHz ANSWER DOWNLOAD EXAMIANS APP
Physics A colour-blind person cannot See distant objects Have persistence of vision Distinguish between certain colours See black colour See distant objects Have persistence of vision Distinguish between certain colours See black colour ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Fan supplies cool air Fan cools the air Our perspiration eva-porates rapidly Conductivity of air increases Fan supplies cool air Fan cools the air Our perspiration eva-porates rapidly Conductivity of air increases ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope that has one lens. A microscope whose lenses are convex. A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are convex. A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. ANSWER DOWNLOAD EXAMIANS APP
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