Physics Which conservation principle is applicable in the case of the motion of a rocket? Conservation of charge Conservation of energy Conservation of momentum Conservation of mass Conservation of charge Conservation of energy Conservation of momentum Conservation of mass 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. 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 The wavelength of the electrons must be close to the diameter of the object Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a pendulum when taken to the Moon would: Remain the same Become zero Increase Decrease Remain the same Become zero Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: density of mercury is greater than that of water. cohesion of mercury is greater than its adhesion with glass. cohesion of water is greater than its adhesion with glass. mercury is a metal. density of mercury is greater than that of water. cohesion of mercury is greater than its adhesion with glass. cohesion of water is greater than its adhesion with glass. mercury is a metal. ANSWER DOWNLOAD EXAMIANS APP
Physics If the spinning speed of the earth is increased then the weight of body at the equator Increases Decreases Same Double Increases Decreases Same Double ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is the balance between incoming and outgoing radiation It is a mode of transfer of heat through matter by molecular activity. It is the radiation from the earth in the form of long waves. It is the amount of heat which the surface of earth receives from the sun. It is the balance between incoming and outgoing radiation It is a mode of transfer of heat through matter by molecular activity. It is the radiation from the earth in the form of long waves. It is the amount of heat which the surface of earth receives from the sun. ANSWER DOWNLOAD EXAMIANS APP
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