Physics Which one among the following is not an electromagnetic wave? Cathode Ray Infrared Ray X-Ray R-Ray Cathode Ray Infrared Ray X-Ray R-Ray ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Centre of mass Dead centre Centre of gravity Centre of motion Centre of mass Dead centre Centre of gravity Centre of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of X-ray Infrared ray G-ray Ultraviolet ray X-ray Infrared ray G-ray Ultraviolet ray ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids has the least density ? Mercury Petrol Salt water Fresh water Mercury Petrol Salt water Fresh water ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be greater than the diameter of the object. Both A & B None of these 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. Both A & B None of these The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Amplitude Frequency Wavelength Velocity Amplitude Frequency Wavelength Velocity ANSWER DOWNLOAD EXAMIANS APP
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