Physics The type of mirrors used in the headlamp of cars is Plane Cylindrical concave Spherical convex Parabolic concave Plane Cylindrical concave Spherical convex Parabolic concave ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because Of the high viscosity of mercury The density of mercury is greater than that of steel Mercury is a semisolid Of the surface tension of mercury Of the high viscosity of mercury The density of mercury is greater than that of steel Mercury is a semisolid Of the surface tension of mercury ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted Due to refraction Due to total internal reflection In a straight line path In a curved path Due to refraction Due to total internal reflection In a straight line path In a curved path ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes R/2 3R/4 2R 5R/4 R/2 3R/4 2R 5R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a part of a CRT ? Phosphor screen Shadow mask Gas plasma Electron gun Phosphor screen Shadow mask Gas plasma Electron gun ANSWER DOWNLOAD EXAMIANS APP
Physics A black body can absorb radiations of : Higher wavelengths only All wavelengths Lower wavelengths only Intermediate wavelengths only Higher wavelengths only All wavelengths Lower wavelengths only Intermediate wavelengths only ANSWER DOWNLOAD EXAMIANS APP
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