Physics Large astronomical telescopes always use as objective lens mirror None of these combinations of lenses lens mirror None of these combinations of lenses ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum distance (in metres) required to hear an echo? 13 21 17 10 13 21 17 10 ANSWER DOWNLOAD EXAMIANS APP
Physics Rocket works on the principle of Archimedes Principle Newton's Second Law Newton's Third Law Newton's First Law Archimedes Principle Newton's Second Law Newton's Third Law Newton's First Law ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because the rolling friction is much less than the sliding friction the full weight of the barrel comes into play when it is pulled more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the rolling friction is much less than the sliding friction the full weight of the barrel comes into play when it is pulled more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled ANSWER DOWNLOAD EXAMIANS APP
Physics After reflection from a plane mirror the word will look like. AMBULA CE AMBULANCE AWBULANCE ECNALUBMA AMBULA CE AMBULANCE AWBULANCE ECNALUBMA ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS