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Planck radiation law
A law that defined blackbody radiation better than its predecessor, therefore resolving the ultraviolet catastrophe. It is depend on the supposition that electromagnetic radiation is quantized.
At thermodynamic temperature T, for a blackbody, the radiancy R onto a range of frequencies among nu & nu + dnu is provided by
R = 2 pi h nu3/[c3 [exp (h nu/k T) - 1]].
The least count of the stopwatch is 0.1 second because in stopwatch we can measure milliseconds also.
An iron ring of mean diameter 10 cm is uniformly wound with 2000 turns of wire. When a current of 0.25 A is passed by the coil a flux density of 0.4 T is set up in the iron. F
#question.5.
Write three special characteristics of the light source used in optical communication. Name any one optical detector. Define the meaning of the term 'sensitivity' and 'responsively
Ascooter acquires velocity of 36km/hr in 10 secs just after the start and stops after 20 secs. Find the acceleration in both cases.
MANUFACTURING: Nickel film is deposited on ceramic substrate. This is done by electrolytic deposition of nickel in a chemical bath containing hypophosphate. The sheet resistance i
Hence refractive index µ can be determine by measuring the diameter of Newton's rings first with air and then with the liquid for same value of m.
why raise in ppotential is taken as positive
tau-theta paradox (1950s): While two distinct types of kaons, tau & theta (today tau is a completely different particle) decay, tau decays in three particles, whereas the thet
Are optical fiber fraglle? Glass fibers are very brittle, actually in any glass light guide there is a percentage of fibers broken throughout the manufacturing process, conver
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