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![Figure 1 Diffraction of a parallel X-ray beam along the z-axis.
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Potassium Chloride in which
the K+
and Cl-
wons have
almost the same size.
Figure 3. Scattering of X-rays by a powder of KCl crystals
results in the production of concentric dark circles on a
photographic plate.
Figure 1 The spaceship Atlantis (A) with a satellite
(S) in an orbit around the earth. The orbit lies in the
earth’s equatorial plane.
The magnetic field (B) is perpendicular to the
diagram and is directed towards the reader.
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Uploaded byeli priyatna laidan
Problem and solution i ph o 21
This document contains three physics questions and their solutions. Question 1 involves x-ray diffraction from crystals and calculating properties of the diffraction patterns. Question 2 considers electric experiments using a satellite attached to a conducting rod in orbit around Earth. Question 3 analyzes properties of a rotating neutron star, including calculating its flattening factor given properties like mass and rotation period.
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- 1. Figure 1 Diffractionof a parallel X-ray beam along the z-axis. The angle between the crystal and the y-axis is . 7+( VW ,17(51$7,21$/ 3+6,6 2/03,$' *521,1*(1 7+( 1(7+(5/$1'6 +DQV -RUGHQV 'HSDUWPHQW RI 6FLHQFH DQG 7HFKQRORJ 8QLYHUVLW RI *URQLQJHQ 7KH 1HWKHUODQGV 4XHVWLRQ ;UD 'LIIUDFWLRQ IURP D FUVWDO :H ZLVK WR VWXG ;UD GLIIUDFWLRQ E D FXELF FUVWDO ODWWLFH 7R GR WKLV ZH VWDUW ZLWK WKH GLIIUDFWLRQ RI D SODQH PRQRFKURPDWLF ZDYH WKDW IDOOV SHUSHQGLFXODUO RQ D GLPHQVLRQDO JULG WKDW FRQVLVWV RI 1 [ 1 VOLWV ZLWK VHSDUDWLRQV G DQG G 7KH GLIIUDFWLRQ SDWWHUQ LV REVHUYHG RQ D VFUHHQ DW D GLVWDQFH / IURP WKH JULG 7KH VFUHHQ LV SDUDOOHO WR WKH JULG DQG / LV PXFK ODUJHU WKDQ G DQG G D 'HWHUPLQH WKH SRVLWLRQV DQG ZLGWKV RI WKH SULQFLSDO PD[LPXP RQ WKH VFUHHQ 7KH ZLGWK LV GHILQHG DV WKH GLVWDQFH EHWZHHQ WKH PLQLPD RQ HLWKHU VLGH RI WKH PD[LPD :H FRQVLGHU QRZ D FXELF FUVWDO ZLWK ODWWLFH VSDFLQJ D DQG VL]H 1D [ 1D [ 1D 1 LV PXFK VPDOOHU WKDQ 1 7KH FUVWDO LV SODFHG LQ D SDUDOOHO ;UD EHDP DORQJ WKH ]D[LV DW DQ DQJOH VHH )LJ
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