Physics Where do the electrical charges reside in a charged conductor? At the core Throughout the body Depended upon the nature of the body Outer surface of the body At the core Throughout the body Depended upon the nature of the body Outer surface of the body ANSWER DOWNLOAD EXAMIANS APP
Physics The pitch of sound depends on its Intensity Amplitude Velocity Frequency Intensity Amplitude Velocity Frequency 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 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.044444444444444 0.16736111111111 0.052777777777778 0.084027777777778 0.044444444444444 0.16736111111111 0.052777777777778 0.084027777777778 ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Refraction Reflection Diffraction Total internal reflection Refraction Reflection Diffraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 20 J 400J 200J 40J 20 J 400J 200J 40J ANSWER DOWNLOAD EXAMIANS APP