Physics Which one among the following is not an electromagnetic wave? Infrared Ray R-Ray X-Ray Cathode Ray Infrared Ray R-Ray X-Ray Cathode Ray ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? X-ray tube Coolidge tube None of these Roentgen X-ray tube Coolidge tube None of these Roentgen ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to total internal reflection Due to reflection Due to refraction Due to diffraction Due to total internal reflection Due to reflection Due to refraction Due to diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: They contain free electrons. All of these They have high melting point. The atoms are lightly packed. They contain free electrons. All of these They have high melting point. The atoms are lightly packed. ANSWER DOWNLOAD EXAMIANS APP
Physics The damage of the human body due to radiation (X-rays or grays etc,) is measured in : Rads Rems Curie Roentgen Rads Rems Curie Roentgen ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Megasonics Audible sounds Infrasonics Ultrasonics Megasonics Audible sounds Infrasonics Ultrasonics ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS