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Physics Practical > Apparatus > Flashcards

Apparatus Flashcards

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1
Q
  1. External and internal diameters of measuring cylinder
  2. Depth of hole which cannot be reached by metre rule
A

Vernier calipers
1. External and internal jaws
2. Protruded tail

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2
Q

Relatively fast changing variable example measure the bounce height of a basketball

A

Video camera with freeze frame facility or slow motion playback

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3
Q

Measure time interval of fast moving object

A

Light gates connected to a timer

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4
Q

Measure time interval of fast moving object

A

Light gates connected to a timer

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5
Q

Small distances, inaccessible by a micrometer screw gauge

A

Travelling microscope

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6
Q

Measure force

A

Small forces: newton meter or slotted masses and hanger
Larger forces: force meter

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7
Q

Temperature of small space(temp of a droplet of liquid/within a crack) or rapidly changing temperature

A

Thermocouple thermometer

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8
Q

Supply heat energy at constant rate to a fluid

A

Heater

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9
Q

Large tank of water with a constant temperature controlled by thermostat

A

Water bath with thermostat control
- temperature can be set to diff values

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10
Q

Increase pressure
Decrease pressure

A

Pump: pump air into container to increase pressure
Vacuum pump: a motorised device to extract air from container to decrease pressure

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11
Q

Increase pressure
Decrease pressure

A

Pump: pump air into container to increase pressure
Vacuum pump: a motorised device to extract air from container to decrease pressure

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12
Q

Measure pressure of gas or liquid

A

Pressure gauge

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13
Q

Generate alternating voltage of variable frequencies/amplitudes

A

Signal generator

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14
Q

Source of sound

A

Signal generator connected to loudspeaker

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15
Q

Detector of sound

A

Microphone connected to CRO

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16
Q

Detector of sound

A

Microphone connected to CRO

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17
Q

Generate microwaves and detect microwaves

A

Microwave generator and receiver

18
Q

Generate microwaves and detect microwaves

A

Microwave generator and receiver

19
Q

Investigate wave phenomena like interference and diffraction

A

Ripple tank

20
Q

Source of sound with particular frequency of sound

A

Tuning forks of different frequencies

21
Q

Source of sound with particular frequency of sound

A

Tuning forks of different frequencies

22
Q

Measure intensity of light

A

Light meter/photometer

23
Q

Source of light with of single wavelength and frequency

A

Laser

24
Q

Determine wavelength of light

A

Diffraction grating with spectrometer

25
Q

Determine wavelength of light

A

Diffraction grating with spectrometer

26
Q

Measure resistance directly

A

Ohmmeter

27
Q

Set up constant electric field or constant electric force on body

A

2 parallel metal plates with constant PD between them

28
Q

Step down or up ac

A

Transformer

29
Q

Step up or down ac

A

Transformer

30
Q

Rotating a turntable, angular velocity varied/ convert electrical energy to mechanical energy

A

DC Motor

31
Q

Rotating a turntable, angular velocity varied/ convert electrical energy to mechanical energy

A

DC Motor

32
Q

Amplify voltage when voltage is very small

A

Amplifier

33
Q

Amplify voltage when voltage is very small

A

Amplifier

34
Q

Set up constant magnetic field region

A

Helmholtz coils or solenoids

35
Q

Set up constant magnetic field region

A

Helmholtz coils or solenoids

36
Q

Measure magnetic field

A

Hall probe connected to CRO or voltmeter

37
Q

Measure changing magnetic field

A

Search coil connected to CRO
induced voltage can be read from CRO

38
Q

Measure changing magnetic field

A

Search coil connected to CRO
induced voltage can be read from CRO

39
Q

Number of radiations

A

Geiger-muller tube connected to scalar

40
Q

Number of radiations

A

Geiger -muller connected to scalar

41
Q

Number of radiations

A

Geiger -muller connected to scalar

42
Q

Count rate (number of radiations per second)

A

Geiger-muller connected to ratemeter

Physics Practical (2 decks)

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