Physics Times 07.2019

2.Sol: SECTION-3 1.Sol: x D m N  (^00) 1 m 1 dx dx d C K A m K A N                 0 1 dx x K A D       ...

C D y 0.5dy 0 0.5 0.5 1 1 1 . C D 2 4 W ydx dx         0.5 1 dx 4     E F y dy , 0, 0, WEF 0 F A x dx 0, ...

KINETIC THEORY OF GASES [ONLINE QUESTIONS] N moles of a diatomic gas in a cylinder are at a temperature T. Heat is supplied to ...

(a) 398 m/s (b) 520 m/s (c) 499 m/s (d) 532m/s Figure shows the variation in temperature ( )T with the amount of heat supplie ...

(c) 2 2 2 2 2 2 1 1 2 2 3 3 1 1 2 2 3 3 n T n T n T n T n T n T     (d)   [2009] [2008] [2007] CALORIMETRY [ON ...

Assume that a drop of liquid evaporates by decrease in its surface energy, so that its temperature remains unchanged. What shou ...

 U Q For on mole Using equipartition of energy, we have (^3) RTMCT (^3) 3 3 8.314 27 10 C R M       C 925 /J kgK 5.So ...

[OFFLINE QUESTIONS] 1.Sol: Given: Ti  17 273 290K Tf  27 273 300K Atmospheric pressure, P 0  1 10^5 Pa Volume of room, V ...

(^2) ( 1) ( ) 2       Mv T K K Kelvin R 6.Sol: Number of moles of first gas 1 A n N  Number of of moles of second gas 2 A ...

5.Sol: [OFFLINE QUESTIONS] 1.Sol: 2.Sol: 3.Sol: 4.Sol: 5.Sol: The heat released by steam when it converts from 100 C to 0 .C  ...

Magnetic Effects of Current 1.Biot - Savart’s Law The field produced by the small element at P is 4 3 dB idl r r     Here ...

0 4 B i d    (III) For axial position of wire: Magnetic induction at the centre of current carrying wire bent in the for ...

Thin hollow cylinder 0 0 2 ; ,^2 J i B r r R J R             2 0 0; i B r R r     r R B  0 2 i r R B r ...

32 Force on a charge moving in Motion of a charged particle in magnetic field (I) When vis perpendicular to B  : Radius mv q ...

. Magnetism & Matter Magnet An object that attracts iron, cobalt, nickel and some other materials. Types Of Magnet (1) Natu ...

Magnetic Moment (^) M: M m 2   Its unit is ampere metre^2. Magnetic Field It is also called as magentic flux density ( ...

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At any point in the plane of axial and equatorial lines: For a short magnet, 2 0 3 (3cos 1)M B 4 d          00 for ...

tan H B B  tan^0 H 2 ni B r     0 (^2) tan tan         i r BH K n  i Ktan Where K is called as T.G. constan ...

Curie-Weiss Law: Hysteresis: Curie-Weiss Law: At temperature above Curie temperaure the magnetic susceptibility of ferromagneti ...