Physics What is the wavelength of visible spectrum ? 1300 A°–3000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 1300 A°–3000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of direct current is ________ 60 HZ 50 HZ 100 HZ Zero 60 HZ 50 HZ 100 HZ Zero ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: Neither renewable nor non renewable resource Renewable natural resource non-renewable natural resource A mixture of renewable and non-renewable natural resource Neither renewable nor non renewable resource Renewable natural resource non-renewable natural resource A mixture of renewable and non-renewable natural resource ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of the wheels of a bullock-cart while moving on the road is an example of Oscillatory and rotatory motion Translatory motion only Translatory and rotatory motion Oscillatory and translatory motion Oscillatory and rotatory motion Translatory motion only Translatory and rotatory motion Oscillatory and translatory motion ANSWER DOWNLOAD EXAMIANS APP
Physics The best conductor of electricity among the following is : Iron Copper Aluminium Silver Iron Copper Aluminium Silver ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Absence of gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside ANSWER DOWNLOAD EXAMIANS APP
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