Physics Which of the following is not a part of a CRT ? Electron gun Phosphor screen Gas plasma Shadow mask Electron gun Phosphor screen Gas plasma Shadow mask ANSWER DOWNLOAD EXAMIANS APP
Physics Electric current is measured by which instrument? Barometer Ammeter Voltmeter Sinometer Barometer Ammeter Voltmeter Sinometer ANSWER DOWNLOAD EXAMIANS APP
Physics No current will flow between two charged bodies if they have the same Charge/ potential ratio Charge Resistance Potential Charge/ potential ratio Charge Resistance Potential ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the product of speed of light in medium and 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 ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and 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 ratio of speed of light in the medium to the speed of light in vacuum. ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following supports particle nature of photons ? Photoelectric effect Diffraction Polarization Interference Photoelectric effect Diffraction Polarization Interference ANSWER DOWNLOAD EXAMIANS APP