Physics What is the wavelength of visible spectrum ? 8500 A° – 9800 A° 1300 A°–3000 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 1300 A°–3000 A° 7800 A° – 8000 A° 3900 A° – 7600 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Friction can be reduced by changing from Dynamic to Static Rolling to Sliding Static to Dynamic Sliding to Rolling Dynamic to Static Rolling to Sliding Static to Dynamic Sliding to Rolling ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Red light Ultra violet Infra red Cosmic rays Red light Ultra violet Infra red Cosmic rays ANSWER DOWNLOAD EXAMIANS APP
Physics When number of turns in a coil is trippled, without any change in the length of coil, its self inductance becomes? Nine times One–third Six times Three times Nine times One–third Six times Three times ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of luminous emittance is : Lumen Lumen second Lux Candela Lumen Lumen second Lux Candela ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Has lowest velocity Gives comfort to eye Undergoes least deviation Is least bright Has lowest velocity Gives comfort to eye Undergoes least deviation Is least bright ANSWER DOWNLOAD EXAMIANS APP
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