Thequarkyteacher.files.wordpress.com



Lesson 1: The Photon Model1What is the name given to the parts of stationary wave where the overall displacement of the superimposed waves is at its maximum?2Give the order of the EM spectrum from lowest to highest frequency. 3What are the base units of Energy?4A microwave signal has a wavelength of 4cm. What is the frequency of the signal?5Calculate the velocity of an electron from an electron gun with accelerating p.d. of 2.3kVLesson 2: Finding Planck’s Constant (PAG 6.1)1What did Max Planck notice about EM radiation? What type of behaviour did this demonstrate?2What is the energy of a photon of infrared radiation with a frequency of 240GHz?3What is the energy of a photon of UV light with a wavelength of 190nm?4Draw the component symbol for an LED.5What type of wave cannot be polarised?Lesson 3: The Photoelectric Effect1Convert 4.16 x 10-18J into eV. 2What is the energy (in eV) of a photon of blue visible light with a wavelength of 4455nm?3A source of monochromatic light has a wavelength of 710nm. The light is passed through two slits which are 2.6mm apart and the resulting interference pattern is displayed on a screen 3m from the slits. What would be expect the distance between the first two bright fringes to be?4When a cloth is rubbed on a plastic rod, electrostatic charge is created. Why does this happen?Lesson 4: The Photoelectric Equation1The golf leaf on an electroscope is in the lifted position. What does this tell us about the metal plate on the top of the electroscope?2What feature of the incident wave on the plate of an electroscope determined whether or not electrons were emitted from the surface of the plate?3What is the name given to the voltage at which an LED turns on? 4What are the base units of potential difference?5What is the relationship between frequency and energy for photons?Lesson 5: Wave-Particle Duality1What does ф stand for in Einstein’s photoelectric effect equation?2Photoelectrons with a max KE of 8.45 x 10-19 J are emitted from a metal with a work function of 1.5eV. Calculate the frequency of the incident radiation. 3What is the conservation of energy?4What is a progressive wave?5If KEmax is plotted against frequency. What would be the value of the gradient?Lesson 6: Revision1What does p stand for in the ‘de Broglie’ equation?2What was observed when electrons were fired through a thin piece of polycrystalline graphite?3Why are the wave-properties of electrons rarely observed?4Calculate the wavelength of an electron travelling at 1.7 x 108 ms-1.5Due to internal resistance, 1.6V are lost when a current of 9A passes through a circuit. What is the size of the internal resistance of the power source? ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download