Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 11.2 km/sec 18 km/sec 35 km/sec 21 km/sec 11.2 km/sec 18 km/sec 35 km/sec 21 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of the wheels of a bullock-cart while moving on the road is an example of Translatory motion only Oscillatory and rotatory motion Oscillatory and translatory motion Translatory and rotatory motion Translatory motion only Oscillatory and rotatory motion Oscillatory and translatory motion Translatory and rotatory motion ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Become 4 times Becomes 1/4 th Is also doubled Becomes half Become 4 times Becomes 1/4 th Is also doubled Becomes half ANSWER DOWNLOAD EXAMIANS APP
Physics When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is Dispersion of light Scattering of light Refraction of light Reflection of light Dispersion of light Scattering of light Refraction of light Reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics The bending of light when it passes around a corner or a slit is due to ________ Total internal reflection Refraction Reflection Diffraction Total internal reflection Refraction Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
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