Physics To resolve an object in an electron microscope, The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? W.C Roentgen James Chadwick Marie Curie J.J Thomson W.C Roentgen James Chadwick Marie Curie J.J Thomson ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a body that repeats itself after a regular interval of time is An aperiodic motion A simple harmonic motion A periodic motion An oscillatory motion An aperiodic motion A simple harmonic motion A periodic motion An oscillatory motion ANSWER DOWNLOAD EXAMIANS APP
Physics Wind and solar energy are examples of Unsustainable Renewable Limited Non renewable Unsustainable Renewable Limited Non renewable ANSWER DOWNLOAD EXAMIANS APP
Physics The spoon dropped by an astronaut in a satellite will Continue to follow the motion of the satellite Fall to the floor Move tangentially away Remain stationary Continue to follow the motion of the satellite Fall to the floor Move tangentially away Remain stationary ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP
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