Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 15 cm 10 cm 5 cm 20 cm 15 cm 10 cm 5 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because It forms smaller image as compared with object It forms real image It forms erect (upright) image All of these It forms smaller image as compared with object It forms real image It forms erect (upright) image All of these ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of a conductor is inversely proportional to its: Resistivity Temperature Area of cross section Length Resistivity Temperature Area of cross section Length ANSWER DOWNLOAD EXAMIANS APP
Physics Friction can be reduced by changing from Dynamic to Static Sliding to Rolling Rolling to Sliding Static to Dynamic Dynamic to Static Sliding to Rolling Rolling to Sliding Static to Dynamic ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is used for sun glasses ? Pyrex glass Crystal glass Flint glass Crooks glass Pyrex glass Crystal glass Flint glass Crooks glass ANSWER DOWNLOAD EXAMIANS APP
Physics An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's Fourth law First law Third law Second law Fourth law First law Third law Second law ANSWER DOWNLOAD EXAMIANS APP