Physics For accurate scientific work, temperatures are often measured by Mercury thermometers Alcohol thermometers Platinum resistance thermometers Thermoelectric thermometers Mercury thermometers Alcohol thermometers Platinum resistance thermometers Thermoelectric thermometers ANSWER DOWNLOAD EXAMIANS APP
Physics The basic reason for the extraordinary sparkle of suitably cut diamond is that It has well defined cleavage planes It is very hard It has a very high refractive index It has a very high transparency It has well defined cleavage planes It is very hard It has a very high refractive index It has a very high transparency ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Earthshine Rainbow Mirage Halo Earthshine Rainbow Mirage Halo ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which conduct electricity at high temperatures offer no resistance to the flow of electricity offer high resistance to the flow of current conduct electricity at low temperature conduct electricity at high temperatures offer no resistance to the flow of electricity offer high resistance to the flow of current conduct electricity at low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 24 A 0.41666666666667 8.5 A 24 A 0.41666666666667 8.5 A ANSWER DOWNLOAD EXAMIANS APP
Physics 1 Micron is equal to 10–15 m 10–6 m 10–12 m 10–9 m 10–15 m 10–6 m 10–12 m 10–9 m ANSWER DOWNLOAD EXAMIANS APP