Paper 3

PAPER 3

SECT A

Q1

a)   Micrometer screw gauge

b)  Thermometer

c)    Refraction of light (protectors)

d)  Stop watch

e)   Ammeter

f)     Voltmeter

Q2

a)   Force vs acceleration

b)  Hooke’s Law

a.   Extension of spring vs force/weight

c)    Lenses

                                                                        i.      1/v  vs  1/u

                                                                     ii.       

d)  Emf

                                                                        i.      V vs I

e)   Ohm’s Law

                                                                        i.      V vs I

f)     Charles’s Law

                                                                        i.      Volume vs Temperature

SECT B

Q3

CH 2 (FORCE AND MOTION)

a)   Velocity vs height/angle of inclined runway

b)  Inertia

                                                                        i.      Inertia (Time of oscillation) vs mass

c)    F=ma

                                                                        i.      Acceleration vs mass

                                                                     ii.      Acceleration vs force

d)  Hooke’s Law

                                                                        i.      Extension of spring vs force/weight/mass

                                                                     ii.      Compression of spring vs force/weight/

CH 3 (FORCE AND PRESSURE)

a)   Buoyant Force

                                                                        i.      Buoyant force vs weight of water displaced

                                                                     ii.      Buoyant force vs volume of water displaced

                                                                  iii.      Weight loss vs volume of water displaced

b)  Pressure

                                                                        i.      Pressure vs force

                                                                     ii.      Pressure vs area

c)    Pressure in liquid

                                                                        i.      Pressure vs depth( U-tube manometer)

                                                                     ii.      Pressure vs density of water (U-tube manometer)

                                                                  iii.      Pressure vs depth (cylinder with diff. holes)

CH 4 (HEAT)

a)   Specific heat capacity

                                                                        i.      Rise in temperature vs volume/density of water/mass of water

b)  Gas Laws

                                                                        i.      Boyle’s law (volume vs pressure)

                                                                     ii.      Charles law (volume vs temperature)

                                                                  iii.      Pressure law (pressure vs temperature)

CH 5 (LIGHT)

a)   Reflection of light

                                                                        i.      Angle of reflection vs angle of incidence

b)  Refraction

                                                                        i.      Angle of refraction vs angle of incidence

                                                                     ii.      Apparent depth vs real depth

                                                                  iii.      Angle of refraction vs refractive index/ density

c)    Lenses

                                                                        i.      Thickness of lens vs focal length

                                                                     ii.      Distance of image vs distance of object

                                                                  iii.      Magnification vs distance of object (2011)

Q4

CH 6 (WAVES)

a)   Refraction

                                                                        i.      Wavelength vs depth of water

b)  Interference /Sound wave

                                                                        i.      Distance between 2 consecutive loud/soft sound, x vs frequency

                                                                     ii.      x vs distance two coherent source, a (2011)

                                                                  iii.      Wavelength vs x

CH 7 (ELECTRICITY)

a)   Ohm’s Law

                                                                        i.      Potential difference vs current

b)  Effect of resistance

                                                                        i.      Resistance vs length

                                                                     ii.      Resistance vs cross sestion area/no of wire/ diameter of wire

                                                                  iii.      Resistance vs temperature

c)    Brightness

                                                                        i.      Brightness vs no of battery

d)  Emf

                                                                        i.      Emf vs current

CH 8 (ELECTROMAGNETISM)

a)   Strength of electromagnet

                                                                        i.      No of pin attracted vs current(2009)

                                                                     ii.      No of pin attracted vs no of turn of wire(2010)

b)  Force on current-carrying conductor/coil

                                                                        i.      Force vs current/battery/magnet

                                                                     ii.      Speed of rotation vs current/magnet

c)    Electromagnetic induction

                                                                        i.      Induced current vs speed of motion/magnet