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 Cube of the semi-major axis Semi-major axis Square of the semi-major axis Fourth power of the semi-major axis Cube of the semi-major axis Semi-major axis Square of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit X-rays visible light radio waves ultraviolet light X-rays visible light radio waves ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Formation of mirage Working of binoculars Twinkling of stars Formation of rainbow Formation of mirage Working of binoculars Twinkling of stars Formation of rainbow ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Microwave Ultrasonic wave Audible wave Infrasonic wave Microwave Ultrasonic wave Audible wave Infrasonic wave ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic packing factor of body centred cubic structure (bcc) is 0.73 0.68 0.69 0.63 0.73 0.68 0.69 0.63 ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound is more in Steel Water Wood Air Steel Water Wood Air ANSWER DOWNLOAD EXAMIANS APP
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