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 3.75 diopters -11.25 diopters -3.75 diopters 11.25 diopters 3.75 diopters -11.25 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of sky is due to Reflection of sunlight Scattering of longer wavelengths of sunlight in the atmosphere Scattering of shorter wavelengths of sunlight in the atmosphere Refraction of sunlight Reflection of sunlight Scattering of longer wavelengths of sunlight in the atmosphere Scattering of shorter wavelengths of sunlight in the atmosphere Refraction of sunlight ANSWER DOWNLOAD EXAMIANS APP
Physics The strength of an electromagnet can be increased by Increasing current supply Increasing the length of the coiled wire All of these Increasing the number of turns Increasing current supply Increasing the length of the coiled wire All of these Increasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
Physics The electrical domestic tube light gives white fluorescent light because of Heavy current Vacuum inside the tube Falling of ultra violet rays on the white inner coating of the tube Colision between molecules of filled gas under electric current Heavy current Vacuum inside the tube Falling of ultra violet rays on the white inner coating of the tube Colision between molecules of filled gas under electric current ANSWER DOWNLOAD EXAMIANS APP
Physics A water tank appears shallower when it is viewed from top due to Reflection Rectilinear propagation of light Refraction Total internal reflection Reflection Rectilinear propagation of light Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics If an object moves with constant velocity, None of these It must have constant speed It must have constant speed in constant direction It must have constant direction None of these It must have constant speed It must have constant speed in constant direction It must have constant direction ANSWER DOWNLOAD EXAMIANS APP
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