Physics Heat energy is transferred by conduction whenever molecules Collide each other Means of photons Particles replaces there places All of these Collide each other Means of photons Particles replaces there places All of these ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar The entire bulk of the bar gets magnetised Only the surface of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only the surface of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the ends of the bar get magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 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° 1300 A°–3000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The sudden expansion of a compressed gas The ice which deposits on the freezer None of these The evaporation of a volatile liquid The sudden expansion of a compressed gas The ice which deposits on the freezer None of these The evaporation of a volatile liquid ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound in air is unaffected by change in Pressure Volume Temperature Humidity Pressure Volume Temperature Humidity ANSWER DOWNLOAD EXAMIANS APP
Physics What will happen if an object is dropped from a height and there is no air resistance? It will fall with a constant speed and acceleration Its speed will increase Its acceleration will increase Both speed and acceleration will increase It will fall with a constant speed and acceleration Its speed will increase Its acceleration will increase Both speed and acceleration will increase ANSWER DOWNLOAD EXAMIANS APP