Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal volume Equal mass Equal weight Equal density Equal volume Equal mass Equal weight Equal density ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomena shows the particle nature of light? Photoelectric effect Polarisation Diffraction Interference Photoelectric effect Polarisation Diffraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Red is used as an emergency or danger signal as It is scattered Its wavelength is the longest It is a striking colour It has very high energy It is scattered Its wavelength is the longest It is a striking colour It has very high energy ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of Ultraviolet ray X-ray Infrared ray G-ray Ultraviolet ray X-ray Infrared ray G-ray ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Undergoes least deviation Has lowest velocity Gives comfort to eye Is least bright Undergoes least deviation Has lowest velocity Gives comfort to eye Is least bright ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Persistence of vision Formation of impure spectra Formation of pure spectra Principle of complementary colour Persistence of vision Formation of impure spectra Formation of pure spectra Principle of complementary colour ANSWER DOWNLOAD EXAMIANS APP
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