Physics What is the wavelength of visible spectrum ? 1300 A°–3000 A° 8500 A° – 9800 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 1300 A°–3000 A° 8500 A° – 9800 A° 3900 A° – 7600 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Superconductors Semi conductors Perfect conductors Dielectrics Superconductors Semi conductors Perfect conductors Dielectrics ANSWER DOWNLOAD EXAMIANS APP
Physics Heat energy is transferred by conduction whenever molecules Collide each other Means of photons All of these Particles replaces there places Collide each other Means of photons All of these Particles replaces there places ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the cleanest source of energy? Fossil fuel Biofuel Nuclear power Wind energy Fossil fuel Biofuel Nuclear power Wind energy ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength at which the peak of intensity of blackbody radiation occurs Decreases with increase in temperature Does not follow any pattern as temperature changes Increases with increase in temperature Is the same at all temperatures Decreases with increase in temperature Does not follow any pattern as temperature changes Increases with increase in temperature Is the same at all temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics In general, which is the cause of a sea breeze? Heat All listed here Pressure Specific heat Heat All listed here Pressure Specific heat ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS