Physics It is more difficult to walk on ice than on a concrete road because None of these There is more friction between the ice and feer Ice is soft when compared to concrete There is very little friction between the ice and feet pressing it None of these There is more friction between the ice and feer Ice is soft when compared to concrete There is very little friction between the ice and feet pressing it ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. Electromagnetic waves are transverse waves Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. Electromagnetic waves are transverse waves ANSWER DOWNLOAD EXAMIANS APP
Physics What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it? 1 0.5 50 100 1 0.5 50 100 ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of reaction produces the most harmful radiation ? Chemical reaction Fission reaction Photo-Chemical reaction Fusion reaction Chemical reaction Fission reaction Photo-Chemical reaction Fusion reaction 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 3R/4 2R 5R/4 R/2 3R/4 2R 5R/4 R/2 ANSWER DOWNLOAD EXAMIANS APP
Physics Momentum is measured as the product of : Mass and acceleration Mass and inertia Mass and velocity Mass and force Mass and acceleration Mass and inertia Mass and velocity Mass and force ANSWER DOWNLOAD EXAMIANS APP
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