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Electrons are emitted from a photosensitive surface when it is illuminated by green light but electron emission does not take place by yellow light. Will the electrons be emitted when the surface is illuminated by (i) red light, and (ii) blue light.
An ice-skater with a mass of 75.0 kg pushes off against a second skater with a mass of 42.0 kg. Both skaters are initially at rest. After the push, the larger skater moves
De Broglie wavelength (L. de Broglie; 1924) The prediction which particles also have wave characteristics, where the effective wavelength of an element would be inversely propo
what is thermal conductivity ?
#questi1. A sound with a frequency of 261.6 Hz travels through water at a speed of 1435 m/s. What is the wavelength of the wave? a. 1.83 x 10 -1 m b. 3.753 x 10 5 m c. 5.486 m
difference between pure and impure spectrum
compton effect and quantum nature of light
Explain Antenna. Write a short note or Antenna. Name two parts of antenna.
calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?
#theory of tangent galvanometer
Motion Animation A car along with a non-zero initial speed has a constant acceleration whose value could be controlled through the user.
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