Physics Red light is used for signals because it has High frequency Long wavelength High intensity Low refraction in the medium High frequency Long wavelength High intensity Low refraction in the medium ANSWER DOWNLOAD EXAMIANS APP
Physics If electric resistance is to be decreased, then the number of resistances should be connected in ________ Mixed arrangement None of these Parallel Series Mixed arrangement None of these Parallel Series ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? Alpha particle UV rays X rays Gama particle Alpha particle UV rays X rays Gama particle ANSWER DOWNLOAD EXAMIANS APP
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 What is the principle of a ''Life Jacket"? It provides oxygen to a drowning person The person can sit on it like a raft It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat ANSWER DOWNLOAD EXAMIANS APP
Physics In the case of bodies falling under gravity which of the following remains constant at a given place? Kinetic energy All listed here Potential energy Acceleration Kinetic energy All listed here Potential energy Acceleration ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS