Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Depends on the speeds of various fragments Depends on the total mass of all the fragments Is infinity Is zero Depends on the speeds of various fragments Depends on the total mass of all the fragments Is infinity Is zero ANSWER DOWNLOAD EXAMIANS APP
Physics If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by 4 times 2 times 16 times 8 times 4 times 2 times 16 times 8 times ANSWER DOWNLOAD EXAMIANS APP
Physics Knot is a measure of Solar radiation The speed of ship Intensity of earthquake shock The curvature of spherical objects Solar radiation The speed of ship Intensity of earthquake shock The curvature of spherical objects ANSWER DOWNLOAD EXAMIANS APP
Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Viscosity Elasticity Porosity Density Viscosity Elasticity Porosity Density ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Is least bright Has lowest velocity Gives comfort to eye Undergoes least deviation Is least bright Has lowest velocity Gives comfort to eye Undergoes least deviation 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 2R 3R/4 5R/4 R/2 2R 3R/4 5R/4 R/2 ANSWER DOWNLOAD EXAMIANS APP
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