Physics Sound waves do not show the phenomenon of Interference Polarisation Refraction Diffraction Interference Polarisation Refraction Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Antimony Boron Germanium Phosphorus Antimony Boron Germanium Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Physics X-rays region lies between Short radio waves and long radio waves Gamma-rays and ultraviolet region Ultraviolet and visible region Visible and infra-red region Short radio waves and long radio waves Gamma-rays and ultraviolet region Ultraviolet and visible region Visible and infra-red region ANSWER DOWNLOAD EXAMIANS APP
Physics The energy obtained from atoms is known as ________ Nuclear energy Heat energy Chemical energy Solar energy Nuclear energy Heat energy Chemical energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics Global warming is expected to result in Increase in level of sea All of these Change in crop pattern Change in coast line Increase in level of sea All of these Change in crop pattern Change in coast line ANSWER DOWNLOAD EXAMIANS APP
Physics The working of the quartz crystal in the watch is based on the Edison Effect Piezo - electric Effect Photoelectric Effect Johnson Effect Edison Effect Piezo - electric Effect Photoelectric Effect Johnson Effect ANSWER DOWNLOAD EXAMIANS APP