Uttarakhand Board Class 12 Question Paper 2024 for Agricultural Physics and Climatology

UTTRAKHAND BOARD

Question Paper

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Roll No. No. of printed Pages : 4

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AGRICULTURAL PHYSICS AND CTIMATOLOGY (Paper-III)
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(Only for Agriculture Part-I)

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Tirne:3Hoursl [Max. N{arks : 50

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(ii) ssE dsr r c6 ffio tt qrq €qr z * o ero FrFua sflftq qsq dl qq'I
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( iii) q-d.6 qsq b frs Frufkd 3i6 s{b vr{q sifua dt

Note : (i) There are in all 17 questions in this question paper. All questions are
compulsory.
(ii) Question No. 1 is multiple choice type. Question No.2 to 6 are definite
answer type questions. Question No.7 to 11 are very short answer
type questions. Question No. 12 to 14 are short answer type questions
and Question No. 15 to L7 are long answer type questions.
(iii) Marks allotted to each question are mentioned against them.
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(Multiple Choice TYPe Questions)
1 {fl swr b e-d-6 sc's b sfl{ C ur< ft-oro frd w dr tr& t{frd 3iqS rfl{ gftnoT C
fttRqu'
Four options are given in each part of this question. Write the correct option in
your answer book.
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a_

(6) 'mDrvr ES'fuH dfr.o' <rfrr mi qi76 *-
1

(i) trqq (ii) du-r$ (iii) Frcr (iv) s-6-rqi of #-ildr
'Light Year' is the unit of which physical quantity_
(i) Time (i') Length (iii) Density (iv) Intensity of tight
(s) ffi ilq b trr qfrdfr of r< d 66t S-
(i) Tq6.rd(ur
1

(ii) Eqd.rHilr
(iii) +q ofi uro (iv) ffi fi sdf
The rate of change of verocity of an object is cailed-
(i) Acceleration of object (ii) Momentum of object
(iii) Speed of object (iv) Energy cf object
(rr) ffi fug q{ dt rrdl ,F, il{rT rsi rfl-r E{ura, ftTid^rr
6)dT t- 1

The relation between the force 'F' applied on a body and the acceleration
'a' produced in it, is-

(i) F*d2 (ii) Fo1 (iii) F * d (iv) Fx 1-
a d^z
(q) sqnrr dur c, a{rr * ilq b16ft , dpn sfrfuE
61s1 v b &a ssu 6-r qtrF
6..
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In a plane mirror, the expression for the relation between object distance
u
and image distance v from the mirror will be-

(i) u=2v (ii) v=2u (iii) u=v
i * =,
(ir) *
(s) Frq t ke'q6 to mr sdrf,{ur d-
1

(i) frffitt +n (ii) tfrzrn +n
(iii) qs+f, (iv) fr{Triqrq-o+f,
In following, Ef, example of secondary cell is_
(i) Lechlanche Celt (ii) Daniel Ceil
(iii) Dry Celt (iv) Lead Accumutator Cell
ftF{drd{qs$r
(Definite Answer Type euestions)
2 qftS qr ss1 qrg 6t{ S
HF{mr€r fr *m te 1
In which equilibrium state is the cone standing at the top?

436 (rKw)
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1
3
What is the value of acceleration due to gravity 'g' at the centre of earth?
4. geal bt sdrd + 'qf,rq-q t{' b fru qr ftRrit t

write the formula for 'Escap Velocity' form earth's surface.
s. fif;'q alftr d mFaT ksqr (r) aw Et6H qt frl it{riq ftnRr&t 1

Write the relation between Radius of curvature (r) and Focal length (f) of a
spherical mirror.

6. srfr6{ aerr dffitftd-{ d fiqq fr BH ffiq fr drnt d? 1

In what order are ammeter and voltmeter connected in the circuit?
erfrmgrtrfrqs5
(Very Short Answer Type Questions)
7. qo-silqtf ftn,t m.FA di fror q, E qrr6 dt frRrdt 2

what is Moment of Force? write its formula and unit also.
B. Bqrcii ffi rqhr 6rb' ftF-S q{ qr ffi6=wT fi q;l.dr fr da dt$ fr arfi di 2

How the correctness of a formula or equation is checked by using dinrensions!'

e. tfr-6 #fi fi bfrrord ET trd rdrer{q ftfuit 2

Write an example of capillarity in daily life.
10. 3i?rEffi ftF-{uii * d sqdrr rmgil 2

Give two uses of Infrared raYS.
11. 'um fr;rilErd qudl' t aqT 3Tftffirq te se dIHl 2

What is meant by 'One Kilowatt Hour'? Clarify.
agrrftuuw
(Short Answer TYPe Questions)
Lz. ffit b '3{-drdqi6't mr 3{RTrrq *a uo ffi b tiu o1 z umq gql-+ q{ T6 0'2 *fr
trrdT tr qfr rflb ri-frq tfl-i qr 100 sri d a\ rsor {st-3ffi{m sil{ 3rruilqi6 ffie
dfrut 4

What is meant by 'least count' of a Screw Gauge? When the screw of a Screrru
Gauge is rotated two revolutions, it moves 0.2 cm. If its circular scale has 100
parts, then find its Pitch and Least count.

13. Ergqusfirr Enq ffi o-rt da +tqtix t fus ro:i-< dsq o.r [-dEqH f,{rur Hrf,r d?4
What is Atmospheric Pressure? How is weather forecasted by Barometer?
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,11

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{amx urrf
w !m rrIFI il?I 25 fi-d{f$6w * q+ <fr dr d-q q{ nr,r+ oa 3Tnrilra qo fi rrurqr
ffiur
Define Centripetal force. An object of mass 3 kg is moving with a uniform speed
25 meter/second on a circular path of radius 15 meter. Calculate the centripetal
force actlng on the object.
14. Eql b 6nq fr9 t *i qTd qRrdq pt 6) fus yrox qHfu mc f;l HqflrSst 4
How do changes in soil due to heat affect agriculture? Explain.

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(Long Answer Type euestions)
1s. '3irs, 6tflr, qrel.fl defi qrf,r s{i bl sbqT d Hq5rildl 6
Explain the process of formation of Dew, Fog, clouds and Hoar Frost.

srekrr/oR
q$ur sf, H m-dt dl uEq b frqq frM ner qdur-guiro of qRqrqr fiffir
What is force of friction? State the laws of friction and give the definition of
coefficient of frlction.
16. 38ry TIT . { ov,t fr.ffiI3{il{ +dr dl ffi ffiT 6t 3rgft, oq?Ttsd dur dw trr
d fiq6o dtBrS 6pn ffi qrry=Er reuft-d 61ffit ' 6
What is the difference between Transverse and Longitudinal waves? Define the
frequency, wavelength and wave-velocity of a wave, and establish a relauon
among them.

v
17. frr€)q 8-g drT fudrf, ftrRs-$ dpfi 3{End sfrtel6r qrq Frd 6(i # frA aiE-6 Tsrfrd
oftHr 6
Write the principle of Wheatstone's Bridge and derive an expression to know the
value of unknown resistance.

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#
sTil dl sro) Hqiil{ ffi ii T{ slcrr qm uftrtu + eirq anor tr r#o. sm*u, or *-
srddml
What is Electric Resistance? When two electric resistances are connected in
series, their equivalent resistance is 1B Ohms, By connecting them in parallel,
their equivalent resistance becomes 4 Ohms. Find the value of each resistance.

*****

436 (rKw)
I4l

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