- An electron that has been freed from its parent atom
- An electron that costs nothing
- An electron that has no electrical charge
- An electron that has twice the amount of charge of a normal electron
- None of the above
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What is the size of Electron as comapared to Proton and Neutron?
Answer: Option 3 Electrons are tiny compared to protons and neutrons, over 1,800 times smaller than either a proton or a neutron. 1836 times smaller to be exact.
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Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field?
Answer: Option 2 Let'
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What is the difference between the kinds of charges for an electron and a proton?
Answer: Option 3 Let'
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When an atom loses an electron it becomes?
Answer: Option 3 When an atom loses electron(s) it will lose some of its negative charge and so becomes positively charged. A positive ion is formed where an atom has...
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The valence electron of a copper atom experiences what kind of attraction toward the nucleus?
Answer: Option 3 Let'
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Directions : In each of the following questions a statement is given, followed by three conclusions. Give answer : Statement : "All are cordially invited to attend the entertainment programme. It is free." - An announcement in a newspaper. Assumptions : I. People generally do not go to entertainment programmes which are free. II. Some people, though interested in entertainment programmes, cannot afford purchasing the tickets. III. Generally, a free entertainment programme is of a good quality.?
Answer: Option 3 Since the announcement invites the people to the programme saying that it is free, so I is not implicit while II follows. The quality of the programme...
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Electron microscope works on which of the following principles?
Answer: Option 2 Electron microscope works on the principle of Wave Nature of electrons. Electron microscopes use an electron beam instead of visible light and an electron detector instead of...
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Which of the following has least negative electron gain enthalpy?
Answer: Option 1 The element with the most negative electron gain enthalpy is chlorine, and the one with the least negative electron gain enthalpy is phosphorus.
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The electromagnetic coils on the neck of the picture tube or tubes which pull the electron beam from side to side and up and down are called a...?
Answer: Option 2 PAL and SECAM are standards used in other countries. RGB stands for red, green, and blue - the colors of light used to create an image in...
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Which one of the following is most likely used for measuring the rate of electron flow?
Answer: Option 2 Let'
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