Quiz Bank
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6 Regular Benefits of Using iTop VPN Service
Technological advancement enables you to establish a secure and encrypted connection over the internet between your device and a distant server. This distant server, which can be situated anywhere on the planet, is often owned by a VPN expert company.…
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What is difference between Electrostatic force and nuclear force
Electrostatic force Electrostatic force acts between charged particles only. Electrostatic force is a long range force. A proton can interact with all the protons within the nucleus through electrostatic force. Electrostatic force is a weak force. Nuclear force Nuclear force…
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difference between astronomical telescope and galilean telescope
Comparison table : Astronomical telescope Galilean telescope 1:In an astronomical telescope the eyepiece is a convex lens. 1:In Galilean telescope the eyepiece is a concave lens. 2:It forms an inverted image.…
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Difference between plane wave and spherical wave
The basic difference between plane wave and spherical wave is that in plane wave disturbances propagated in single direction like string wave, while in spherical waves disturbances propagated outward in all directions from the source of wave.Light waves is an…
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Difference between Gas Turbine and Steam Turbine in Tabular Form
The basic difference between gas turbine and the steam turbine is that the gas turbine is easy to start and control easily while the steam turbine is difficult to start and difficult to control. The idea of the gas turbine…
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Why resistivity of semiconductors decreases with temperature?
Solid materials having properties in between conductors and insulators are known as semiconductors. A semiconductor is a material that is neither a good conductor nor a good insulator of electricity. Its resistivity lies in between conductors and insulators, which is…
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Why does n-type semiconductors have so many electrons than holes?
The elements of group V are pentavalent such as arsenic (As), phosphorus (P), bismuth (Bi), and antimony (Sb). These have five electrons in their valence band. When one of these materials is added to a semiconductor like Si, four of…
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Does a photon have a de Broglie wavelength?
Yes a photon has de Broglie wavelength.In 1924,Louis de Broglie proposed that a particle must also act like wave,in silmilar way,wave behave like particles. In de Broglie hypothesis an electromagnetic wave is the de-Broglie wave for a photon moving with…
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In our body,are there more neutrons than protons?
Human body mainly contains water nearly 70 %.In all neutral atoms,the number of protons and electrons are equal.If you did have many more protons or electrons,yous body would become electrically charged,but normally ,the amount of protons and electrons are the…
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Does the sun do any work on earth?
No work is done on the earth revolving around it in a perfectly circular orbit. The earth revolves around the sun due to the gravitational force of attraction between the sun and the earth. This gravitational force provides centripetal force…