Physics The speed of light in air is Infinity 3 × 10–8 m/s 3 × 108 m/s 8 × 103 m/s Infinity 3 × 10–8 m/s 3 × 108 m/s 8 × 103 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 1 T 2 T 8 T 4 T 1 T 2 T 8 T 4 T ANSWER DOWNLOAD EXAMIANS APP
Physics Flemings ''Left hand Rule" is associated with the effect of Electric field on current Magnetic field on magnet Magnetic Field on current Electric field on magnet Electric field on current Magnetic field on magnet Magnetic Field on current Electric field on magnet ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves are transverse waves Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves are transverse waves Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 10.2 km/sec 11.2 km/sec 13.2 km/sec 12.2 km/sec 10.2 km/sec 11.2 km/sec 13.2 km/sec 12.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics A particle is thrown vertically upward. When it reaches the highest point, it has A downward acceleration A downward velocity An upward acceleration A horizontal velocity A downward acceleration A downward velocity An upward acceleration A horizontal velocity ANSWER DOWNLOAD EXAMIANS APP
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