What is Peltier effect
Peltier effect (J.C.A. Peltier; 1834): The modification in temperature produced at a junction among the two dissimilar metals or semiconductors whenever an electric current passes through the junction.
Describe the procedure how radiation emitted from the body? Illustrate in brief.
Doppler Effect (C.J. Doppler): The waves emitted by a moving object as received by an observer will be blue shifted (compressed) when approaching, redshifted (that is, elongated) if receding. This takes place both in sound and also el
What is main difference between secondary electron image and the back scattered electron image? State briefly.
Brewster's law (D. Brewster) - The extent or level of the polarization of light reflected from a transparent surface is maximum whenever the reflected ray is at right angle to the refracted ray.
advantages and disadvantages of a plasma globe
What do you mean by the term information in physics?
Newton: N (after Sir I. Newton, 1642-1727): The derived SI unit of force, stated as the force needed to give a mass of 1 kg of an acceleration of 1 m/s2; it therefore has units of kg m/s2.
Kirchhoff's laws (G.R. Kirchhoff) Kirchhoff's first laws: An incandescent solid or gas in high pressure will generate a continuous spectrum. Q : Radioactive dating-Determining of age In the radioactive dating we use half life to find out the age of a sample however not average life why? Describe.
In the radioactive dating we use half life to find out the age of a sample however not average life why? Describe.
What is the appropriate formula employed to compute the acceleration? Explain in brief.
18,76,764
1959408 Asked
3,689
Active Tutors
1432423
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!