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? 12.33 diopters -12.33 diopters 4.33 diopters -4.33 diopters 12.33 diopters -12.33 diopters 4.33 diopters -4.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Electric power is measured in units of Volt Watt Ampere Joule Volt Watt Ampere Joule ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Maser Laser Grazer Eraser Maser Laser Grazer Eraser ANSWER DOWNLOAD EXAMIANS APP
Physics Stars appear twinkling because of ......... of light. Reflection Emission Absorption Scattering Reflection Emission Absorption Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics When heated from 0 to 100oC volume of a given mass of water will : Decrease and then will increase Decrease gradually Increase and then will decrease Increase gradually Decrease and then will increase Decrease gradually Increase and then will decrease Increase gradually ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Blue Yellow Orange Green Blue Yellow Orange Green ANSWER DOWNLOAD EXAMIANS APP