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Q What is temperature of inversion?
Maintain the temperature of the cold junction constant the temperature of the hot junction is gradually increased. The thermo emf increase to a maximum at a temperature (θn) called neutral temperature and then slowly decreases and eventually becomes zero at a particular temperature (θi) called temperature of inversion. Further than the temperature of inversion the thermo emf changes sign and then increases.
What are the applications of laser transitions? Applications of laser transitions: a. High coherence of light is helpful for measuring length precisely by interferometry or
A satellite is goes form the surface of earth vertically and then is turned horixontally in space as it requires to revolve around the earth.
Evaluate how many electrons flow through a wire when 1A current passes for 1 millisecond? Write two basic differences between p.d. and emf.
Q. Give any three applications of the superconductors. i) High efficiency ore-separating machines may be built using superconducting magnets which can be used to separate tumou
what are the advantage and disadvantages of light reflections
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Which one of the following pairs is not correctly matched: (1) Rutherford-Proton (2) J.J. Thomsom-Electron (3) J.H. Chadwick-Neutron (4) Bohr-Isotope Ans:(4)Bohr-Is
People believe that seatbelts are a MUST. But they think that they could increase the risk of other road users. Explain why it would be difficult to gather evidence for this idea..
Propagation of an Electromagnetic Wave Electromagnetic waves are waves that can travel by the vacuum of outer space. Mechanical waves, not like electromagnetic waves, need the
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