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liq [111]
3 years ago
5

Define one standard meter, one standard kilogram and one second

Physics
1 answer:
lidiya [134]3 years ago
6 0
<h3>The metre is the length of the path travelled by light in vacuum during a time interval of 1299 792 458 of a second.</h3>

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According to Wien's Law, how many times hotter is an object whose blackbody emission spectrum peaks in the blue, at a wave lengt
scZoUnD [109]

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Explanation:

Given

First wavelength(\lambda _1)=450 nm

Second wavelength(\lambda _2)=700 nm

According wien's diplacement law

\lambda T=constant

where \lambda =wavelength

T=Temperature

Let T_1 and T_2 be the temperatures corresponding to \lambda _1 & \lambda _2 respectively.

\lambda _1\times T_1=\lambda _2\times T_2

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Thus object with \lambda 450 nm is 1.55 times hotter than object with wavelength \lambda =700 nm

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Ne4ueva [31]
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