Physics Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? -3.75 diopters -11.25 diopters 11.25 diopters 3.75 diopters -3.75 diopters -11.25 diopters 11.25 diopters 3.75 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? Scanning tunneling microscopes Optical microscopes None of these Electron microscopes Scanning tunneling microscopes Optical microscopes None of these Electron microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are Waves are not produced Transverse Longitudinal Both longitudinal and transverse Waves are not produced Transverse Longitudinal Both longitudinal and transverse ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. Greater than or equal to Greater than Less than Equal to Greater than or equal to Greater than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Physics A colour-blind person cannot Distinguish between certain colours See black colour Have persistence of vision See distant objects Distinguish between certain colours See black colour Have persistence of vision See distant objects ANSWER DOWNLOAD EXAMIANS APP
Physics A pond of water appears less deep due to Refraction Reflection Polarisation Diffraction Refraction Reflection Polarisation Diffraction ANSWER DOWNLOAD EXAMIANS APP
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