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Illustrates the quantum theory of black body radiation by Planck? Planck’s quantum theory of black body radiation Planck was investigating the properties of light-emitting a
Recording of hologram Waves scattered from the object are known as object waves. The coherent waves reaching directly form the source is known as reference waves. When object w
Prism is a transparent phase rounded by refracting surfaces, like the incident surface and emergent surface (from which light rays emerges) are plane and non parallel
Tungsten: Atomic number 74 Symbol W Atomic weight 183.85 Discovery Purified Tungste
Q. Compute the resistance of the filament of a 100W, 220 V electric bulbs. Power P = V 2 /R Resistance R = V 2 /P = (220 X 220)/ 100 = 484 ohm.
The device which changes chemical energy into electrical energy is called as electric cell. Battery is a host of constant emf but not constant current.
The mass of an automobile is 1140kg, and the distance between its front and rear axles is2.48 m. The center of gravity of theca is between the front and rear tires, and the horizon
Describe the working of the ultrasonic magnetostriction method. Working: The rod is permanently magnetized within the beginning through passing direct current. Then batter
As shown in the figure below, a bubble of gas with a volume of 1.20 cm3 is released under water. As it rises to the surface, the temperature of the bubble enhances from 27°C to
Inertia with a stone You will require a stone weighing about 1 kg for this experiment. Wrap a length of heavy string about the stone. Now, on opposite sides of the stone, join
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