Physics A particle is thrown vertically upward. When it reaches the highest point, it has An upward acceleration A downward acceleration A horizontal velocity A downward velocity An upward acceleration A downward acceleration A horizontal velocity A downward velocity ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R/4 R/5 5 R 4 R/5 5 R/4 R/5 5 R 4 R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Increase Remain constant Dacrease Will increase first and then dcrease Increase Remain constant Dacrease Will increase first and then dcrease ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Magnetic energy into electrical energy Mechanical energy into electrical energy Heat energy into electrical energy Chemical energy into electrical energy Magnetic energy into electrical energy Mechanical energy into electrical energy Heat energy into electrical energy Chemical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension of Planck constant equals to that of Momentum Power Energy Angular momentum Momentum Power Energy Angular momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
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