A Thermometer must be made from a material that has some property that varies with:

Slide 1:A Thermometer must be made from a material that has some property that varies with:

Time Temperature Volume Shape length

Slide 2:The kink in a clinical thermometer is used to:

Stop the mercury flowing back into the bulb Keep the scale small Let the mercury expand Stop the mercury reaching 41o C Make the mercury visible

Slide 3:Which of the following can be used as a detector to listen to sounds inside the human body?

Oscilloscope Endoscope Stethoscope Thermogram Spectroscope

Slide 4:Which of the following could be the sound level produced by a heavy lorry passing near to you?

20dB 30dB 60dB 90dB 120dB

Slide 5:What could be the range of hearing for an old person who had worked for many years in a noisy factory?

25 Hz - 14kHz 15 Hz - 30kHz 40 Hz -12kHz 15 Hz -22kHz 2 Hz - 200kHz

Slide 6:Which of the following can be used to detect Ultraviolet light?

Thermistor Optical fibre Stethoscope Photographic film Bimetallic strip

Slide 7:Which of the following could be used to detect X-rays?

Thermistor Optical fibre Stethoscope Photographic film Bimetallic strip

Slide 8:Which of the radiations below is used in optical surgery to repair small tears in the retina?

Infrared L.A.S.E.R. Ultraviolet X-Rays Microwaves

Slide 9:Which of then radiations below is used to treat skin conditions such as acne or eczema?

Infrared L.A.S.E.R. Ultraviolet X-Rays Microwaves

Slide 10:Which of the following is used to detect broken bones?

Infrared L.A.S.E.R. Ultraviolet X-Rays Microwaves

Slide 11:A ray of light changes direction as it travels from air into water. This effect is called

Diffraction Diffusion Incidence Refraction Reflection

Slide 12:The electromagentic spectrum is a family of waves that all have the same

Wavelength Frequency Speed Period Colour

Slide 13:Which diagram correctly shows the path of red light passing through a glass block

Slide 14:Which diagram shows how parallel light rays pass through a concave lens

Slide 15:A boy is long sighted. He goes to a football match but forgets to take his glasses. Which row in the table below best describes the image formed on his retina When looking When looking  at his watch at the player

blurred sharp sharp sharp sharp blurred blurred blurred small large

Slide 16:Atoms contain three particles:electrons, protons and neutrons. Which row correctly describes these particles Inside the nucleus Outside the nucleus

electrons and protons neutrons electrons and neutrons protons electrons neutrons and protons protons electrons and neutrons neutrons and protons electrons

Slide 17:In which unit is the activity of a radioactive source measured?

Bequerel Hertz Joule Sievert Watt

Slide 18:In which unit is the equivalent dose of a radioactive source measured?

Bequerel Hertz Joule Sievert Watt

Slide 19:Which of the radiation Alpha, Beta, Gamma would be stopped by a sheet of aluminium 5mm thick?

Alpha only Beta only Gamma only Alpha and Beta Beta and Gamma

Slide 20:Radioactive sources are always handled with long handled tongs. What is the reason for this?

The radioactive source is hot The tongs give a better grip on the source Radioactive sources should be kept away from the body The tongs take away the charge from thre source The source is too small to be picked up with your hands