Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? 4.33 diopters -12.33 diopters -4.33 diopters 12.33 diopters 4.33 diopters -12.33 diopters -4.33 diopters 12.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? The density of needle is less than that of water Due to its shape It will remain under the water, when it will displace more water than its weight Due to surface tension The density of needle is less than that of water Due to its shape It will remain under the water, when it will displace more water than its weight Due to surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Paramagnetic Ferromagnetic Non-magnetic Diamagnetic Paramagnetic Ferromagnetic Non-magnetic Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics The Laser is a beam of radiations which are Non-coherent and non-monochromatic Coherent and monochromatic Coherent and non-monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and monochromatic Coherent and non-monochromatic Non-coherent and monochromatic ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances Modern vehicles use electroignition system Metal reflects radiowaves Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances Modern vehicles use electroignition system Metal reflects radiowaves ANSWER DOWNLOAD EXAMIANS APP
Physics Angle of friction and angle of repose are Equal to each other None of these Proportional to each other Not equal to each other Equal to each other None of these Proportional to each other Not equal to each other ANSWER DOWNLOAD EXAMIANS APP