Physics For photoelectric effect to take place, the metal used as the cathode should have ________ High melting point Low resistance Low melting point Low work function High melting point Low resistance Low melting point Low work function ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirrors used in the headlamp of cars is Parabolic concave Plane Cylindrical concave Spherical convex Parabolic concave Plane Cylindrical concave Spherical convex ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms an image which is Real and inverted Virtual and inverted Virtual and erect Real and erect Real and inverted Virtual and inverted Virtual and erect Real and erect ANSWER DOWNLOAD EXAMIANS APP
Physics Light year is a unit of Light Distance Time Intensity of light Light Distance Time Intensity of light ANSWER DOWNLOAD EXAMIANS APP
Physics The reflector of a search light is a : Concave mirror Convex mirror Plane mirror Cylindrical mirror Concave mirror Convex mirror Plane mirror Cylindrical mirror ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope whose lenses are convex. A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are convex. A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. ANSWER DOWNLOAD EXAMIANS APP
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