The instrument used to measure the temperature of a human body is called
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The instrument used to measure the temperature of a human body is called . an endoscope an ohmmeter an oscilloscope a stethoscope a thermometer. Which one of the following radiations is used in a laser?. Gamma rays X-rays Visible light Microwaves Radio waves.

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The instrument used to measure the temperature of a human body is called

The instrument used to measure the temperature of a human body is called

  • an endoscope

  • an ohmmeter

  • an oscilloscope

  • a stethoscope

  • a thermometer


Which one of the following radiations is used in a laser

Which one of the following radiations is used in a laser?

  • Gamma rays

  • X-rays

  • Visible light

  • Microwaves

  • Radio waves


The activity of a radioactive source is measured in

The activity of a radioactive source is measured in

  • becquerels

  • watts

  • coulombs

  • joules

  • sieverts


Gamma radiation is used in hospitals to sterilise instruments this is because gamma radiation

Gamma radiation is used in hospitals to sterilise instruments. This is because gamma radiation

  • makes the instruments radioactive

  • increases the temperature of the instruments

  • reduces the temperature of the instruments

  • destroys any living cells on the instruments

  • makes the instruments glow in the dark.


Which of the following is a use for ultrasound in medicine

Which of the following is a use for ultrasound in medicine?

  • Correcting eye defects such as a detached retina

  • Killing cancerous cells

  • Producing an image of an unborn baby

  • Removing “port wine” birth marks

  • Sterilising medical instruments


The card covers which shape of glass

The card covers which shape of glass?

  • Concave lens

  • Convex lens

  • Prism

  • Rectangular block

  • Semi-circular block


Sounds can travel through

Sounds can travel through

  • A vacuum

  • Solids only

  • Liquids only

  • Gases only

  • Solids, liquids and gases.


The instrument used to detect sounds produced within the human body is called

The instrument used to detect sounds produced within the human body is called

  • An oscilloscope

  • An endoscope

  • A stethoscope

  • A thermogram

  • A spectroscope


Which of the following particles are in orbit around the nucleus of an atom

Which of the following particles are in orbit around the nucleus of an atom?

  • Electrons only

  • Protons only

  • Electrons and protons

  • Protons and neutrons

  • Protons, neutrons and electrons


A ray of light changes direction as it travels from air into water this effect is called

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

  • Diffraction

  • Diffusion

  • Incidence

  • Refraction

  • Reflection


Which of the radiations alpha beta or gamma would be stopped by a sheet of aluminium 5mm thick

Which of the radiations alpha, beta or gamma would be stopped by a sheet of aluminium 5mm thick?

  • Alpha only

  • Beta only

  • Gamma only

  • Alpha and beta only

  • Beta and gamma only


The nucleus of a uranium atom contains

The nucleus of a uranium atom contains

  • electrons only

  • neutrons only

  • electrons and protons only

  • protons and neutrons only

  • electrons, protons and neutrons


What is the unit of equivalent dose

What is the unit of equivalent dose?

  • becquerel

  • joule

  • kilogram

  • sievert

  • watt


The diagram shows a ray of light reflected from a plane mirror

The diagram shows a ray of light reflected from a plane mirror.

A

plane mirror

Which of the labelled angles is the angle of relection?

  • A

  • B

  • C

  • D

  • E

B

C

E

D


Which of the following radiations is used to detect broken bones

Which of the following radiations is used to detect broken bones?

  • Gamma rays

  • Infrared rays

  • Light rays

  • Ultraviolet rays

  • X-rays


Skin cancer is most likely to be caused by excessive exposure to

Skin cancer is most likely to be caused by excessive exposure to

  • radio waves

  • microwaves

  • infrared radiation

  • visible light

  • ultraviolet radiation


The instrument used to measure the temperature of a human body is called

Which entry gives the correct units used for dose equivalent and the activity of a radioactive source?


What is the name of the glass shape used to split white light into different colours

What is the name of the glass shape used to split white light into different colours?

  • Concave lens

  • Convex lens

  • Prism

  • Rectangular block

  • Semi-circular block


In a solid metal conductor the current is a flow of

In a solid metal conductor, the current is a flow of

  • electrons

  • protons

  • neutrons

  • protons and electrons

  • Protons and neutrons


The instrument used to measure the temperature of a human body is called

Which of the following shows the correct path of a ray of light passing through air and into a block of glass

1. 4.

2. 5.

3.


The instrument used to measure the temperature of a human body is called

The diagram shows how radiations X and Y from a radioactive source are affected when materials are placed in front of the source.

2mm aluminium

2cm lead

Which of the following correctly names both radiations?

X

source

Y

paper


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