Physics Thermohaline circulation is mainly due to Warm water being added to the ocean due to industial waste Winds causing circulation of ocean water Warmer, less dense water sinking in the ocean and cold water replacing it Cold, dense ocean water sinking and warmer water replacing it Warm water being added to the ocean due to industial waste Winds causing circulation of ocean water Warmer, less dense water sinking in the ocean and cold water replacing it Cold, dense ocean water sinking and warmer water replacing it ANSWER DOWNLOAD EXAMIANS APP
Physics Bolometer is used to measure Wavelength Temperature Frequency Velocity Wavelength Temperature Frequency Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can be reflected or refracted Have low penetrating power Travel with the speed of light Can affect photographic plates Can be reflected or refracted Have low penetrating power Travel with the speed of light Can affect photographic plates ANSWER DOWNLOAD EXAMIANS APP
Physics When an atom loses an electron it becomes None of these Negative ion Positive ion Neutron None of these Negative ion Positive ion Neutron ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to reflection Due to diffraction Due to total internal reflection Due to refraction Due to reflection Due to diffraction Due to total internal reflection Due to refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? White dwarfs Quartz clocks Atomic clocks Pulsars White dwarfs Quartz clocks Atomic clocks Pulsars ANSWER DOWNLOAD EXAMIANS APP