Physics What type of lens is a magnifying glass? Converging Spherical Diverging Achromatic Converging Spherical Diverging Achromatic ANSWER DOWNLOAD EXAMIANS APP
Physics Planck's constant has the dimensions of : Energy Linear momentum Force Angular momentum Energy Linear momentum Force Angular momentum ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be close to the diameter of the object Both A & B The wavelength of the electrons must be greater than the diameter of the object. None of these The wavelength of the electrons must be close to the diameter of the object Both A & B The wavelength of the electrons must be greater than the diameter of the object. None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomena shows the particle nature of light? Polarisation Interference Photoelectric effect Diffraction Polarisation Interference Photoelectric effect Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has Less density than dry air. More pressure than dry air. More density than dry air. Less pressure than dry air. Less density than dry air. More pressure than dry air. More density than dry air. Less pressure than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Dacrease Remain constant Increase Will increase first and then dcrease Dacrease Remain constant Increase Will increase first and then dcrease ANSWER DOWNLOAD EXAMIANS APP