Physics Electrons carry a Neutral Charge Positive Charge Negative Charge Variable Charge Neutral Charge Positive Charge Negative Charge Variable Charge ANSWER DOWNLOAD EXAMIANS APP
Physics In the gamma decay of a nucleus Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus changes whereas its atomic number does not change Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus changes whereas its atomic number does not change ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is Gamma rays UV rays Microwave radiation Visible light Gamma rays UV rays Microwave radiation Visible light ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 7800 A° – 8000 A° 8500 A° – 9800 A° 1300 A°–3000 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 8500 A° – 9800 A° 1300 A°–3000 A° 3900 A° – 7600 A° ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 21 km/sec 11.2 km/sec 18 km/sec 35 km/sec 21 km/sec 11.2 km/sec 18 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: The two surfaces are pressed harder Irregularities on both the surfaces are removed Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder Irregularities on both the surfaces are removed Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
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