Physics Which of the following cannot be used for making lenses? Soil Glass Water Plastic Soil Glass Water Plastic ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft Absence of gravity outside Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft Absence of gravity outside Fact that spacecraft in the orbit has no energy ANSWER DOWNLOAD EXAMIANS APP
Physics Shaving mirror is Parabolic Concave Plane Convex Parabolic Concave Plane Convex ANSWER DOWNLOAD EXAMIANS APP
Physics If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in Only the capillary tube Both Neither Only the glass tube Only the capillary tube Both Neither Only the glass tube ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are The electrons orbiting around the nucleus Neutral particles Electromagnetic radiations Charged particles emitted by nucleus The electrons orbiting around the nucleus Neutral particles Electromagnetic radiations Charged particles emitted by nucleus 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 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 ANSWER DOWNLOAD EXAMIANS APP