Physics It is dangerous to observe Solar eclipse with naked eyes because Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes ANSWER DOWNLOAD EXAMIANS APP
Physics Isotopes of an element contain the same number of protons but different number of neutrons the same number of neutrons but different number of protons equal number of nucleons equal number of protons and electrons the same number of protons but different number of neutrons the same number of neutrons but different number of protons equal number of nucleons equal number of protons and electrons ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? White dwarfs Pulsars Quartz clocks Atomic clocks White dwarfs Pulsars Quartz clocks Atomic clocks ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following never occurs singly in nature? Velocity Inertia Force Momentum Velocity Inertia Force Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Germanium Antimony Phosphorus Boron Germanium Antimony Phosphorus Boron ANSWER DOWNLOAD EXAMIANS APP
Physics What is the fundamental unit of amount of a substance? Candela Mole Kelvin Meter Candela Mole Kelvin Meter ANSWER DOWNLOAD EXAMIANS APP
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