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 None of these The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object Both A & B None of these The wavelength of the electrons must be greater than the diameter of the object. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is arranged in order of decreasing conductivity? Silver, Copper, Aluminium, Steel Copper, Aluminium, Steel, Silver Aluminium, Silver, Copper, Steel Copper, Silver, Aluminium, Steel Silver, Copper, Aluminium, Steel Copper, Aluminium, Steel, Silver Aluminium, Silver, Copper, Steel Copper, Silver, Aluminium, Steel ANSWER DOWNLOAD EXAMIANS APP
Physics The work done by the string of a simple pendulum during one complete oscillation is equal to Kinetic energy of the pendulum Zero Potential energy of the pendulum Total energy of the pendulum Kinetic energy of the pendulum Zero Potential energy of the pendulum Total energy of the pendulum ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope whose lenses are concave. A microscope whose lenses are convex. A microscope that has one lens. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope whose lenses are concave. A microscope whose lenses are convex. A microscope that has one lens. A microscope that has two sets of lenses : an occular lens and an eyepiece. ANSWER DOWNLOAD EXAMIANS APP
Physics In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to 0.1 N 10 N 100 N 1 N 0.1 N 10 N 100 N 1 N ANSWER DOWNLOAD EXAMIANS APP
Physics In total internal reflection, the light travel from Denser to rarer medium and it occurs with no loss of intensity Rarer to denser medium and it occurs with loss of intensity Denser to rarer medium and it occurs with loss of intensity Rarer to denser medium and it occurs with no loss of intensity Denser to rarer medium and it occurs with no loss of intensity Rarer to denser medium and it occurs with loss of intensity Denser to rarer medium and it occurs with loss of intensity Rarer to denser medium and it occurs with no loss of intensity ANSWER DOWNLOAD EXAMIANS APP