Guess for English

| FosterZone Syed.Faizan.Ali |   | Join Date: Oct 2009Location: ITDarasgah.comAge: 16Posts: 5,076Threads: 529Thanks: 1,381Thanked 2,083 Times in 353 PostsRep Power: 16 |
|
 Physics Guess Paper 2011 Karachi Board SSC PART 2i. 1 microfarad =   * 10⁻⁴   * 10⁻⁵   * 10⁻⁶ii. Physical balanced is used for measurement of   * Speed   * Mass   * Velocity   * Soundiii. The angle between the rectangular component of a rector is   * 70°   * 80°   * 90°   * 100°iv. The semi conductor doped with pentavalent elements are called.   * N-type substances   * P-type substances   * S-type   * L-typev. A humna ear cannot hear a sound of frequency more than   * 20KHZ   * 30KHZ   * 40KHZ   * 50KHZvi. If the speed of a body is doubled, its kinetic energy becomes?   * 3 times   * 4 times   * 5 times   * 6 timesvii. Speed of lights in air is ________   * 3 x 10⁸m/s   * 4 x 10⁸m/s   * 2 x 10⁻⁸m/s   * 5 x 10⁸m/sviii. One nano second is equal to   * 10⁻⁷   * 10⁻⁸   * 10⁻⁹ix. The relation between the electric current and the magnetic field was discovered by   * Fleming   * J.J. Thomson   * Al-beruni   * None of themx. Holes are the change carries on which type of material.   * T   * P   * 5   * Nxi. The wavelength of red light is ______ then wavelength of violet light.   * Less   * Very Less   * Greater   * None of themxii. Joule/Coulomb is the unit of   * Electric potential   * Velocity   * Speed   * Massxiii. The value of G = 6.67 x 10   * Nm2kg⁻2   * Nm3kg⁻3   * Nm3kg⁻⁴   * Nm⁵kg⁻⁵xiv. The commercial unit of electric energy is   * Kilowatt-hour   * Kilowatt-time   * Kilowatt-speed   * Kilowatt-velocityxv. The image formed by a mirror is always virtual, erect and smaller than the object itself.   * Convex   * Concave   * Plane   * Soundxvi. The number of protons in a nucleus is called   * Atomic Number   * Mass Numberxvii. The device which collects the change is   * Ammeter   * Capacitor   * Di-electric   * HeaterSECTION “B” – (Short Answer Questions)

Q.2. Describe the short sightedness...