Physics To resolve an object in an electron microscope, The wavelength of the electrons must be greater than the diameter of the object. None of these The wavelength of the electrons must be close to the diameter of the object Both A & B The wavelength of the electrons must be greater than the diameter of the object. None of these The wavelength of the electrons must be close to the diameter of the object Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Eraser Grazer Maser Laser Eraser Grazer Maser Laser ANSWER DOWNLOAD EXAMIANS APP
Physics The Hydraulic Break works on the principle of ________ . Pascal's Law Bernouli's law Boyle's law Coulomb's law Pascal's Law Bernouli's law Boyle's law Coulomb's law ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Interference Refraction Polarisation Reflection Interference Refraction Polarisation Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective mirror lens combinations of lenses None of these mirror lens combinations of lenses None of these ANSWER DOWNLOAD EXAMIANS APP
Physics What is another name for energy of motion? Rotational energy Kinetic energy Potential energy Motional energy Rotational energy Kinetic energy Potential energy Motional energy ANSWER DOWNLOAD EXAMIANS APP