Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Fourth power of the semi-major axis Square of the semi-major axis Semi-major axis Cube of the semi-major axis Fourth power of the semi-major axis Square of the semi-major axis Semi-major axis Cube of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
Physics If a body moves with a constant speed in a circle No work is done on it Its velocity remains constant No force acts on it No acceleration is produced in it No work is done on it Its velocity remains constant No force acts on it No acceleration is produced in it ANSWER DOWNLOAD EXAMIANS APP
Physics Circuit breaker usually operate under Steady state of short-circuit current Sub-transient state of short-circuit current Transient state of short-circuit current After D. C. component has ceased Steady state of short-circuit current Sub-transient state of short-circuit current Transient state of short-circuit current After D. C. component has ceased ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following waves cannot be polarised? Infrared Ultra violet Ultrasonic Radio Infrared Ultra violet Ultrasonic Radio ANSWER DOWNLOAD EXAMIANS APP
Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 1.0479166666667 0.21041666666667 2.0958333333333 0.12847222222222 1.0479166666667 0.21041666666667 2.0958333333333 0.12847222222222 ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The doped silicon piece will become p-type The conductivity of the doped silicon piece will remain the same The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase The doped silicon piece will become p-type The conductivity of the doped silicon piece will remain the same The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase ANSWER DOWNLOAD EXAMIANS APP
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