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    This document consists of 17  printed pages and 3  blank pages. IB16 03_9702_12/7RP © UCLES 2016 [Turn over          *                 4                 6                 3                 3                 4                 6                 4                 1                 6                 5                *              Cambridge International Examinations Cambridge International Advanced Subsidiary and Advanced Level PHYSICS 9702/12  Paper 1 Multiple Choice  February/March 2016 1 hour 15 minutes Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, Centre number and candidate number on the Answer Sheet in the spaces provided unless this has been done for you. DO NOT WRITE IN ANY BARCODES. There are forty  questions on this paper. Answer all  questions. For each question there are four possible answers A , B , C  and D . Choose the one  you consider correct and record your choice in soft pencil  on the separate Answer Sheet. Read the instructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any working should be done in this booklet. Electronic calculators may be used.  2   © UCLES 2016 9702/12/F/M/16 Data speed of light in free space c = 3.00 ×  10 8   m   s –1  permeability of free space µ  0  = 4 π   ×  10 –7   H   m –1  permittivity of free space ε  0 = 8.85 ×  10 –12   F   m –1 ( 0 41 ε  π  = 8.99 ×  10 9   m   F –1 )   elementary charge e  = 1.60 ×  10 –19   C the Planck constant h  = 6.63 ×  10 –34   J   s unified atomic mass unit 1   u   = 1.66 ×  10 –27   kg rest mass of electron m e = 9.11 ×  10 –31   kg rest mass of proton m p  = 1.67 ×  10 –27   kg molar gas constant R   = 8.31   J   K –1   mol –1  the Avogadro constant N   A  = 6.02 ×  10 23   mol –1  the Boltzmann constant k   = 1.38 ×  10 –23   J   K –1  gravitational constant G  = 6.67 ×  10 –11   N   m 2   kg –2  acceleration of free fall g   = 9.81   m   s –2  3   © UCLES 2016 9702/12/F/M/16 [Turn over    Formulae uniformly accelerated motion s  = ut   + 221 at    v    2  = u    2  + 2 as  work done on/by a gas W   =  p ∆ V   gravitational potential φ   = –   r Gm  hydrostatic pressure  p  =  ρ    gh  pressure of an ideal gas  p  = V Nm 31 < c    2 > simple harmonic motion a  = –   ω    2  x   velocity of particle in s.h.m. v   = v  0  cos   ω  t v   = ±   ω    )(  220  x  x   −  Doppler effect o f   = ss v v  v f  ±  electric potential V   = r Q 0 4  ε  π  capacitors in series 1   /   C   = 1   /   C  1  + 1   /   C  2  + . . . capacitors in parallel C   = C  1  + C  2  + . . . energy of charged capacitor W   = QV  21  electric current I   =  Anvq   resistors in series R   = R  1  + R  2  + . . . resistors in parallel 1   /   R   = 1   /   R  1  + 1   /   R  2  + . . . Hall voltage V  H  = ntqB I   alternating current/voltage  x   =  x  0  sin   ω  t   radioactive decay  x   =  x  0  exp(– λ  t  ) decay constant λ   = 21 0.693 t     4   © UCLES 2016 9702/12/F/M/16 1  The prefixes nano (n), micro ( µ ) and pico (p) are often used with units. Which row shows their correct values? n µ  p A 10 –6  10 –9  10 –12   B 10 –6  10 –12  10 –9   C 10 –9  10 –6  10 –12   D 10 –12  10 –9  10 –6   2  A crane has an arm to which is attached a frictionless pulley. A cable passes over the pulley and supports a load of 10   kN as shown. 30 ° 30 ° load10   kN10   kN frictionless pulley F  crane arm  The crane arm exerts a force F   on the pulley. What is the value of F    ? A  5.0   kN B  8.7   kN  C  10   kN D  17   kN 3  The S I  unit of specific heat capacity is J   kg –1   K –1 . What is the unit of specific heat capacity expressed in S I  base units? A m   s –2   K –1   B kg   m   s –1   K –1   C m 2   s –2   K –1   D kg   m 2   s –1   K –1   4 Quantity  X   has a fractional uncertainty of  x  . Quantity Y   has a fractional uncertainty of y  . What is the fractional uncertainty in 2 Y  X  ? A    x   + y    B    x   – y    C    x   + 2 y    D    x   – 2 y   
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