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? 11.25 diopters 3.75 diopters -11.25 diopters -3.75 diopters 11.25 diopters 3.75 diopters -11.25 diopters -3.75 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics A colour-blind person cannot Distinguish between certain colours Have persistence of vision See distant objects See black colour Distinguish between certain colours Have persistence of vision See distant objects See black colour ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Convex lens Cylindrical lens Concave lens Plano-concave lens Convex lens Cylindrical lens Concave lens Plano-concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics A microscope used in pathological laboratories forms Magnified, virtual and inverted image Magnified, virtual, erect image Diminished, real and erect image Diminished, virtual and erect image Magnified, virtual and inverted image Magnified, virtual, erect image Diminished, real and erect image Diminished, virtual and erect image ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Frequency Speed Amplitude Wavelength Frequency Speed Amplitude Wavelength ANSWER DOWNLOAD EXAMIANS APP