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Medical and Dental Colleges / Institutes of Punjab (Pakistan) Model Paper: Physics
Model Paper: Physics Section Entry Test for Admission to First Year MBBS / BDS Class In Government Medical & Dental Colleges of the Punjab & KEMU Session 2009-10 on Sunday, September 27, 2009. Conducted by University of Health Sciences Lahore
MODEL PAPER Model Paper of Entry Test 2009
PHYSICS SECTION Q.1 When a helium atom loses an electron it becomes:
Q.2 Beta ray emitted by a radioactive substance is:
Q.3 An electric charge in uniform motion produces:
Q.4 What is emitted by a hot metal filament in a cathode ray tube?
Q.5 If the mass of the bob of a pendulum is doubled its time period is:
Q.6 The centre of Newton rings is dark due to:
Q.7 Which one is most stable element on the basis of binding energy :
Q.8 Resistance in RC circuit of time constant 2 seconds in 1000 Ohm. What is value of C in the circuit?
Q.9 The Lenz’s law refers to induced……………
Q.10 In which of the following, output is similar to NAND gate if input A=0 and input B=1.
Q.11 For atomic hydrogen spectrum, which of the following series lies in visible region of electromagnetic spectrum?
Q.12 ---------------- are the particles that experience strong nuclear force
Q.13 The vertical velocity of ball thrown upward ------------------ with time.
Q.14 The force required to bend the normally straight path of a particle into a circular path is called -------- force.
Q.15 A disc at rest without slipping, rolls down a hill of height (3 x 9.8)m. What is its speed in m/sec when it reaches at the bottom?
Q.16 Tuning of the radio is the best example of electrical ------------------.
Q.17 A standing wave pattern is formed when the length of string is an integral multiple of ------------------ wavelength.
Q.18 Which of the following lights travels the fastest in optical fibres?
Q.19 The algebraic sum of potential changes in a closed circuit is zero is Kirchhof’s ---------------- rule.
Q.20 In LED when an electron combines with a ------------------ during forward bias conduction, a photon of visible light is emitted.
Q.21 For photons of energy greater than 1.02 MeV the probability of pair production occurrence -------------- as the energy increases.
Q.22 The neutron is assumed to be made of
Q.23 An ------------------ missile is called a ballistic missile.
Q.24 Two cylinders of equal mass are made from same material. The one with the larger diameter accelerates ------------------ the other under the action of same torque.
Q.25 The angular frequency of simple pendulum is directly proportional to ------------------
Q.26 Two waves of slightly different frequencies and traveling in same direction produce -----------------
Q.27 A single mode step index fibre has core of about ------------------ μm diameter
Q.28 A 5 Ohm resistor is indicated by a single ------------------ color band around its body.
Q.29 Practically ------------------ current flows in a reverse biased p-n junction.
Q.30 Cesium coated oxidized silver emits electrons for ------------------ light.
Q.31 The cobalt is absorbed by
Q.32 In a step down transformer the output current ------------------
Q.33 Force in terms of base units is expressed as
Q.34 100 joules work has been done by an agency in 10 seconds. What is power of agency?
Q.35 The acceleration is proportional to the displacement and is directed towards mean position in ----------- motion.
Q.36 In gases the speed of sound is inversely proportional to ------------------ of the density when other factors are same.
Q.37 A watch maker uses ------------------ to repair the watches.
Q.38 A 2m long pipe is open at both ends. What is second harmonic frequency?
Q.39 A wire has resistance 100 Ohm at 0oC and 200 Ohm at 100oC. What is its temperature coefficient in K-1?
Q.40 The net magnetic field created by the electrons within an atom is due to the field created by their ------- motion.
Q.41 At high temperature, the proportion of ------------------ wavelength radiation increase.
Q.42 In photoelectric effect removal of photons is observed at ------------------ energies.
Q.43 Which device is the most efficient?
Q.44 The units of E in E=mc2 are
Q.45 Work done on a body equals change in its ------------------ energy.
Q.46 A pipe varies uniformly in diameter from 2 m to 4 m. An incompressible fluid enters the pipe with velocity 16m/sec. What is velocity of fluid when it leaves the pipe?
Q.47 Transverse waves can not be setup in ------------------
Q.48 The ratio of the ------------------ is called magnification.
Q.49 Which of the following has the highest resistivity?
Q.50 An n-type semi-conductor is made by doping silicon crystal with ------------------
Q.51 Objects can not be accelerated to the speed of light in free space is consequence of
Q.52 A certain radioactive mass decays from 64 gm to 2 gm in 20 days. What is its half life?
Q.53 If inductance is denoted by L and resistance by R, which of the following is true for a choke?
Q.54 A force 2i+j has moved its point of application from (2,3) to (6,5). What is work done?
Q.55 The escape velocity corresponds to ------------------ energy gained by body, which carries it to an infinite distance from the surface of earth.
Q.56 The drag force decreases as the speed of an object moving through fluid ------------------
Q.57 Light year is a measure of
Q.58 A yellow light of wavelength 500 mm emitted by a single source passes through two narrow slits 1 mm apart. How far apart are two adjacent bright fringes when interference is observed on a screen 10 m away?
Q.59 The heat produced by a current I in the wire of resistance R during time interval t is
Q.60 Which of the following is the most ductile?
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