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