Physics The energy stored in a watch spring is Potential energy Chemical energy Heat energy Kinetic energy Potential energy Chemical energy Heat energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics Kirchhoff's laws are applicable to None of these C. and A.C. circuits both C. circuits only C. circuits only None of these C. and A.C. circuits both C. circuits only C. circuits only ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 0.001 1 × 10–10 1 × 1010 0.01 0.001 1 × 10–10 1 × 1010 0.01 ANSWER DOWNLOAD EXAMIANS APP
Physics When a bullet is fired from a gun The gun moves forward The gun does not move The gun jumps up The gun recoils with the same momentum as the bullet The gun moves forward The gun does not move The gun jumps up The gun recoils with the same momentum as the bullet ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit ultraviolet light radio waves visible light X-rays ultraviolet light radio waves visible light X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will None of these Remain straight Bend towards right Bend towards left None of these Remain straight Bend towards right Bend towards left ANSWER DOWNLOAD EXAMIANS APP
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