April 2013 - PHYSICS ^mcfw_VH$ cfw_dkmZ(312 Time 3 Hours g_` 3 KQ>o Note(i cfw_ZXe Maximum Marks 80 nyUmH$ 80 This Question Paper consists of two

April 2013 - PHYSICS ^mcfw_VH$ cfw_dkmZ(312 Time 3 Hours...

This preview shows page 1 - 3 out of 10 pages.

PHYSICS ^m¡{VH$ {dkmZ (312) Time : 3 Hours ] [ Maximum Marks : 80 g_` : 3 K˚Q>o ] [ nyUm“H$ : 80 Note : (i) This Question Paper consists of two Sections, viz., ‘A’ and ‘B’. (ii) All questions from Section ‘A’ are to be attempted. However, in some questions, internal choice is given. (iii) Section ‘B’ has two options. Candidates are required to attempt questions from one option only. (iv) Draw neat, clean and labelled diagrams, wherever necessary. (v) Use log tables, if needed. {ZX}e : (i) Bg ‡ Z-nà _| Xmo I˚S> h¢ I˚S> "A’ VWm I˚S> "~’ & (ii) I˚S> "A’ Ho$ g^r ‡ Z hb H$aZo h¢ & Hw$N> ‡ Zm| Ho$ A VJ'V {dH$ºn {XE JE h¢ & (iii) I˚S> "~’ _| Xmo {dH$ºn h¢ & narjm{W'`m| H$mo Ho$db EH$ {dH$ºn Ho$ hr ‡ Zm| Ho$ C˛ma XoZo h¢ & (iv) Ohm– Amd `H$ hmo, æn >, æd¿N> Am¡a Zm_m§{H$V AmaoI ~ZmBE & (v) `{X Amd `H$ hmo, Vmo bKwJUH$s` gma{U`m| H$m Cn`moJ {H$`m Om gH$Vm h¡ & SECTION–A I˚S> A 1.When glass and copper pieces heated to the same temperature are touched,copper piece seems warmer than glass piece. Explain why. 1 `{X Vm–~o VWm H$m–M Ho$ Xmo Qw>H$S>m| H$mo g_mZ Vmn VH$ J_' {H$`m Om`, Vmo Ny>Zo na Vm–~o H$m Qw>H$S>m H$m–M Ho$ Qw>H$S>o H$s VwbZm _| A{YH$ J_' bJVm h¡ & æn > H$s{O`o {H$ Eogm `m| hmoVm h¡ & 2.Name the source from which the earth receives ultraviolet radiations. 2
Image of page 1
3.What is the name given to the light of a single wavelength? 4.Name the logic gate which performs (a)multiplication and (b)inversionoperation. 5.Write twopoints to distinguish between ‘mass’ and ‘weight’ of a body. 2 6.A concrete wall of thickness one metre of a dam can withstand a side pressureof 1052N m-. Find the thickness of sidewall at the bottom of the water dam ata depth of 100 m. [ g=-102m sand density of water =103kg/m3 2 m s ] 7.What is the numerical value of the specific heat of a gas in an (a)isothermalprocess and (b)adiabatic process? Give reason for your answer. 2
Image of page 2
Image of page 3

You've reached the end of your free preview.

Want to read all 10 pages?

  • Winter '08
  • Schroeder
  • Orders of magnitude, Department of Justice, VWm

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture