Physics What is the wavelength of visible spectrum ? 7800 A° – 8000 A° 8500 A° – 9800 A° 1300 A°–3000 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 8500 A° – 9800 A° 1300 A°–3000 A° 3900 A° – 7600 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Where should a boat compass be mounted? Near iron Near magnet Away from electrical wiring All listed here Near iron Near magnet Away from electrical wiring All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Halved Increased by a factor 2 Decreased by a factor 2 Doubled Halved Increased by a factor 2 Decreased by a factor 2 Doubled ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? It has no unit Kg/m Kg/m2 Kg/m3 It has no unit Kg/m Kg/m2 Kg/m3 ANSWER DOWNLOAD EXAMIANS APP
Physics The part of the eye having the largest refractive index is : Cornea Aqueous humor Vitreous humor Lens Cornea Aqueous humor Vitreous humor Lens ANSWER DOWNLOAD EXAMIANS APP
Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Rectifier Conductor Oscillator Amplifier Rectifier Conductor Oscillator Amplifier ANSWER DOWNLOAD EXAMIANS APP