In the electron microscope, electric & magnetic fields are used as_______________?

Related Mcqs:

The relativistic energy E is equivalent to relativistic mass given by_______________?

A. Ec2 B. E/c2 C. E/c D. c2/E...

Einstein’s photoelectric equation is given by_______________?

A. 1/2 mvmax2=hf+Φ B. 1/2 mvmax2-hf = Φ C. 1/2 mvmax2=hf-Φ D. All of above are correct...

As the temperature of black body is raised the wavelength corresponding to maximum intensity________________?

A. shifts towards longer wavelength B. shifts towards shorter wavelength C. remain the same D. shifts towards longer as well as shorter wavelengths...

For confinement of electron in a box of radius 10-14m the electron, speed should be_____________?

A. 107m/sec B. Should be greater than the speed of light. C. Be zero D. Not be wave-like...

The energy radiated is directly proportional to the fourth power of Kelvins temperature is________________?

A. Karl-Weins law B. Rayleigh-Jeans law C. Stephens law D. Plancks...