North Maharashtra University 2005 B.E / .f.ecommon - Question Paper

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engineering physics - NOV-DEC 2005

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1. Each qpaationa should to started on mm paga

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a) Wrtta not* on MrirBfc and wartnato tanfcancludOR* 5

b) What do you taaan by \mroi anaay ktwaT >a wawri nfriri n? Show tha pnaiton of farmi kn*i ki bnateait and marirmc acmJconductofi S

c) Rnd the moblblv 01 dodmoe to-eoppoi aiRirih| *! eec* atom corrtribuftn otwt fta atartrcn for oooAtfHofc.

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i) What Is MH1 ? Explain Its Importanc# In medical field 5

B) Solve any one.

%) A magnetic material ha* a magnetization of 2300 A/M and

products a flux density of 000314 wb/m2. Calculate magnetic field and relative permeability. 5

y) Obtain the value of Zeeman shift If a magnetic field is applied in a direction perpendicular to the plane of electronic orbit of

value 10 tesla. Where e/m \.757x jo11 C/kg. 5

3. A) Solve any three.

pi	Draw a neat labeled diagram of coolidge tube. Explain ho*
	X-rays are produced by It	5
q)	Explain the operation of Ruby Laser with a neat labeled
	diagram	5
	Draw a block diagram of CRO and explain the function of
	time base generator.	S
)	Explain with a neat diagram the principle and working of
	Balnbridqe mas* spectrograph	S

6) Solve any one.

x) An electron beam passes through a magnetic fd of

ZxKTtob/mland an electric fteid of 34 10⁴ wtatmtt*r both acting simultaneously. at the nunc point If the path erf electron remain* undevKied, calculate the speed of electrons M the electric field be removed/what will be the radius of etectrco path ?

m 9 1 * 10 ^s kg . e 1 6* 10 C 5

2

y) X-ray tub# works on 40,000 volt and at current of 3 2 mA Calculate the minimum wavelength and the number of electrons that strike the target per second.

e1.6xlO~^l9C, hmS&MlOJ~a, c3x10*m/s,

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