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A hydrogen atom is in the ground state. It absorbs energy and makes a transition to the n = 3excited state. The atom returns to the ground state by emitting two photons. What are their wavelengths? ? m (lowest energy photon) ? m (highest energy photon)
The voltage drops across two components when connected in series across an a.c. supply are v1 =150sin 314.2t and v2 =90sin(314.2t -∏/5) volts respectively. Determine (a) the v
Q. Write any three findings of binding energy curve. (i) The binding energy per nucleon arrive at a maximum of 8.8 MeV at A = 56 corresponding to the iron nucleus (26Fe56). Th
Q. Write any three applications of laser in industry. Industrial applications (i) The laser beam is utilized to drill extremely fine holes in diamonds hard sheets etc.
Viscosity in fluids is the analog of friction in solids. Both are methods by which the kinetic energy of moving bodies can be changed into thermal power. In the absence of friction
Reflection and Refraction Describing reflection and refraction, involving total internal reflection. You might drag the control at the top to modify the angle of incidence and
a) Formation of domains b) On the basis of domains formed c) These are strongly attracted in an external magnetic field i.e. they easily go from low to high field region d
Car Rear Ends Truck Collisions among objects are governed through laws of momentum and energy. While a collision occurs within an isolated system, the total momentum of the sys
Which of the following scientists is responsible for the exclusion principle which states that two objects may NOT occupy the same space at the same time? Was it: a) Heisenbe
diagram of nicol prism
What do you mean by spontaneous process? Give examples. What is path and state functions? Give examples.
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