Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Antimony Germanium Phosphorus Boron Antimony Germanium Phosphorus Boron ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Hysteresis Attracting a magnetic substance Point in a particular direction Susceptibility independent of temperature Hysteresis Attracting a magnetic substance Point in a particular direction Susceptibility independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Diffuse reflection of light Refraction of light Regular reflection of light Total internal reflection of light Diffuse reflection of light Refraction of light Regular reflection of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics X-rays region lies between Ultraviolet and visible region Short radio waves and long radio waves Gamma-rays and ultraviolet region Visible and infra-red region Ultraviolet and visible region Short radio waves and long radio waves Gamma-rays and ultraviolet region Visible and infra-red region ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not reversible? Thomson effect Joule effect Peltier effect Seebeck effect Thomson effect Joule effect Peltier effect Seebeck effect ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. Greater than Less than Greater than or equal to Equal to Greater than Less than Greater than or equal to Equal to ANSWER DOWNLOAD EXAMIANS APP
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