Physics The time period of a seconds pendulum is 1.5 second 1 second 2 seconds 0.5 second 1.5 second 1 second 2 seconds 0.5 second ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire Both of these None of these Extend radially from the wire Circle the wire in closed loops Both of these None of these Extend radially from the wire Circle the wire in closed loops ANSWER DOWNLOAD EXAMIANS APP
Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Covalent attraction Hydrogen bond formation Vander waals forces Dipole interaction Covalent attraction Hydrogen bond formation Vander waals forces Dipole interaction ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? Its energy levels are very close to each other It is very small in size It has only one electron It is highly electropositive Its energy levels are very close to each other It is very small in size It has only one electron It is highly electropositive ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Increases bandwidth and decreases noise Increases bandwidth and increases noise Decreases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and decreases noise Increases bandwidth and increases noise Decreases bandwidth and decreases noise Decreases bandwidth and increases noise ANSWER DOWNLOAD EXAMIANS APP
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