Physics

THYSICS

Time: 02:40 Hours

( Subjective )

(I)

SECTION - I

QI. Write short answers to say EIGHT parts.

Marks: 40

State the principle of baste quarity of dimensions.

(iv)

Find the dimensions of fly pressury Iv/ density

Show by diagems that medor prousity is entrontion.

How maters have sue and disgiebodes. Can they beat by you? Explain.

(v) How the revolsions of any answers.

(vi) Define variting langs. Goes not emangors.

(Vil) Ar object has 11P fit Explain what dsity d occurs.

(viii) A key post a compter to foreat a tume which estimoiry enealler, a porce betver comtent. Liet the in fornia present?

changes.

(ix)

(x)

Explaie the working of a ambarctor of a serve, set using corvousing pressures.

State equation of confimms. Any writs by moderanzed in more. (for twe clomp)

(vi) The equation for SOM of ax prinot is prinn to, a = 0.25 m

(1)

What is soued by soord?. Does it define right between betweenn masshrement and drawing deand:

2. Write sheet answers to say EIGHT parts.

I, write and by the magmone?

Montor with ancerect velocity is a special cost of eroptor maximuvim excitement. It this covesting maxx.

Discuss.

Find the change at momentum for an object adjucted to a provt from the a given time and Inse the law of

motion in term of probability.

The angle of magostion of probability, inf, tum Irad brevent between tte range of propertty and macunent

length.

(iv) How is a god halt lowier while wroing?

(v)

Shencibe what should be dightieonours velocity, by a vita has in what elires in the same erossere?

(vi) Send the discibent of inference current in ourpts elemonits, oppites menowents and to gaire os barve.

(vii) Why is it difficult to take the cast for a tax at high speed on the road how?

(viii) What is meent by "INTELAST"

, at what frequenty "INTELAST NT" explain?

(IxN

Explain win sound iceruit linitv is watet en siire in ond air?

It it problem the two ideolical have travelling in tums petmont along coing to give live in a semunary wave?

(vio What is the effect of entiaram of groment air witch of speed to on?

(VIT)

Speed of noeed in arr at a°C at 532 and. Endi ty speed at 26°C.

4. Write short answers to any FIX parts.

12

(i)

Explain whether the Young's esgessment is an impresnent by analying interlement or affresstive of light?

(ii)

Why the polaris' nasgimens are better first ordinary mogmrenof if noltes.

(iii).

In Young's esgessment, out of the obst is noviatal with bow filter and ather with our filter. What would be the

patient of light lennauty on the cenute?

(iv) How power is last to apungi from through Expermce? Explain.

heat Sound

(v)

If a power was loaking through a litbrough of the full clock, how would the appearaant of the sumn be changed

by maaxing half of the objective lane?

(vi) \

Brown Boyin's lias from the kinetic aienoretic theory of gawe.

(vii) Calculate the strange ponelsumed liniatic energy of prelacules in a gay at 27°C. (i = 1.76g m 3K, ')

(viii is possible to construct a beat regiot that will toll capal haid into the atmosphere? Explain.

Falre is example of a pronent at what in sit heat is transferred to an from the system lest the compression of the

susitam phoseme.

SECTION - II

Attempt any THREE questions. Each prection catales 98 peaks.

Q7. (u) Define maior specific beats of gunts. Show that Ce + CB = B whern CB is specific, but is resistant

pressure and Cv is specific heat at constant volume of a gay and "R" is resistant.

lighthow that hanstes Finstoin equium E = ma' is threeneltically explain.

7. (u) What is propactic? Derive the relation for its inmentinous velocity and bass of Sight.

(viii) how of 10.ON is suspended from a clothes line. This deniet the first so that it makes an angle of

steel at an acal at each end. Find the tension in the clothes line.

( Continu