Physics What type of lens is used in a magnifying glass Concave Convex None of these Plano-concave Concave Convex None of these Plano-concave ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Increase Decrease Remain unaffected Have its shape changed Increase Decrease Remain unaffected Have its shape changed ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Choke' used with a tube light is basically An inductor A resistor A capacitor A transformer An inductor A resistor A capacitor A transformer ANSWER DOWNLOAD EXAMIANS APP
Physics The bending of light when it passes around a corner or a slit is due to ________ Diffraction Refraction Total internal reflection Reflection Diffraction Refraction Total internal reflection Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Diamagnetic Non-magnetic Paramagnetic Ferromagnetic Diamagnetic Non-magnetic Paramagnetic Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound travel fastest through None of these Solid Liquid Gas None of these Solid Liquid Gas ANSWER DOWNLOAD EXAMIANS APP
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