GCSE Separate Science Physics
Help!
|
|
||||
|---|---|---|---|---|---|
| show | Ray diagrams are ways of modelling what happens during reflection and refraction.
🗑
|
||||
| show | A line drawn at 90° to the interface or the mirror.
🗑
|
||||
| show | They are measured from the normal
🗑
|
||||
| 4 State the Law of Reflection | show 🗑
|
||||
| 5 Does light travel faster in air or in water and give the reason | show 🗑
|
||||
| 6 What is refraction? | show 🗑
|
||||
| 7 What are the two changes that occur when a ray is refracted at an interface? | show 🗑
|
||||
| 8 What happens when a ray of light is incident at 90° to the interface? | show 🗑
|
||||
| show | Both the speed and the direction changes
🗑
|
||||
| show | Refraction and reflection
🗑
|
||||
| show | The angle of refraction gets bigger and the angle of reflection gets bigger.
🗑
|
||||
| show | Critical angle is the angle of incidence that cause the refracted ray to be at 90° to the normal.
🗑
|
||||
| 13 State one application of critical angle | show 🗑
|
||||
| 1.What are luminous objects | show 🗑
|
||||
| show | Objects that reflect the light from a luminous object.
🗑
|
||||
| 3.What is diffused reflection and where does it occur? | show 🗑
|
||||
| 4.What is Specular reflection and where does it occur? | show 🗑
|
||||
| 5.Name two sources of white light | show 🗑
|
||||
| show | Red, Orange, Yellow, Green, Blue, Indigo, and Violet
🗑
|
||||
| show | The object reflect the red component of light to our eyes and absorb the other colours.
🗑
|
||||
| show | Thin plastic or glass that only allow its component colour to go through and absorb all other component colours of white light.
🗑
|
||||
| show | Pass white light through a green filter
🗑
|
||||
| show | Pass white light through a blue filter
🗑
|
||||
| show | Pass white light through a coloured filter and then pass the emerging coloured light through a different filter.
🗑
|
||||
| 12. How can we produce a display of the visible spectrum? | show 🗑
|
||||
| 1.What is a lens | show 🗑
|
||||
| 2.What are the two types of lenses | show 🗑
|
||||
| show | How much it bends light that passes through it
🗑
|
||||
| show | Convex lens: fatter in the middle than the edges
🗑
|
||||
| show | Concave lens: Thinner in the middle than the edges
🗑
|
||||
| show | Convex lens brings parallel rays of light to a focus
🗑
|
||||
| 7. How does the type of lens in number 5 cause parallel rays of light to behave? | show 🗑
|
||||
| 8. What is the focal length of a lens? | show 🗑
|
||||
| show | Images that are formed when light comes to a focus on a screen
🗑
|
||||
| 10. what are virtual images | show 🗑
|
||||
| 11. What are two of the characteristics of a real image? | show 🗑
|
||||
| 12. At what object distance does a converging lens produce a virtual image? | show 🗑
|
||||
| 13. What are two of the characteristics of a real image? | show 🗑
|
||||
| show | Any two: Radio wave, microwave ,infrared, visible light, ultra violet x rays and Gamma rays
🗑
|
||||
| 2. State one thing all electromagnetic waves have in common. | show 🗑
|
||||
| 3. State another thing all electromagnetic waves have in common. | show 🗑
|
||||
| 4.Which electromagnetic wave has frequencies a little higher than visible light | show 🗑
|
||||
| show | Infrared radiation
🗑
|
||||
| 6.Define what is a wavelength | show 🗑
|
||||
| show | The number of cycles per second
🗑
|
||||
| show | Willium Hershel
🗑
|
||||
| 9. Which type of electromagnetic radiation does all objects emit? | show 🗑
|
||||
| show | The higher the temperature the greater the energy
🗑
|
||||
| 11. How are pit viper snakes able to see their prey in the dark? | show 🗑
|
||||
| show | A region where no matter is present.
🗑
|
||||
| show | Radio wave, microwave, infrared, Visible light, ultraviolet, X rays and gamma rays
🗑
|
||||
| 2. Which electromagnetic wave can be detected by the naked eye? | show 🗑
|
||||
| show | Wavelength or frequencies
🗑
|
||||
| 4. Which electromagnetic wave has the greatest frequency | show 🗑
|
||||
| show | Radio waves
🗑
|
||||
| show | Gamma rays
🗑
|
||||
| show | Heat
🗑
|
||||
| show | Red, Orange, Yellow, Green, Blue, Indigo and Violet
🗑
|
||||
| show | Visible light and infrared radiation
🗑
|
||||
| 2. State two other use of infrared radiation | show 🗑
|
||||
| 3. Where are microwaves used for communication? | show 🗑
|
||||
| show | In Microwave ovens
🗑
|
||||
| 5.State two ways radio waves are used | show 🗑
|
||||
| 6. Why can radio waves from a source be detected on the other side of the globe and microwaves cannot be detected on the other side of the globe. | show 🗑
|
||||
| show | By vibrations in electrical circuits
🗑
|
||||
| 8. How are radio waves detected? | show 🗑
|
||||
| 9. Which two parts of the electromagnetic spectrum are used for cooking? | show 🗑
|
||||
| 10. Which 3 parts of the electromagnetic spectrum are used for communication? | show 🗑
|
||||
| 1. What happens to the energy of a body as it temperature increases? | show 🗑
|
||||
| 2. How is the wavelength of the radiation emitted changed with increasing temperature? | show 🗑
|
||||
| 3. Define power and state its unit. | show 🗑
|
||||
| 4. How can the temperature of a body remain constant? | show 🗑
|
||||
| show | More heat energy being absorbed by greenhouse gasses, causing the mean temperature of the atmosphere to be increasing.
🗑
|
||||
| show | Carbon dioxide
🗑
|
||||
| show | Using the process of photosynthesis
🗑
|
||||
| 8.Compare the radiation emitted at 250°C and 320°C. | show 🗑
|
||||
| 1. State 2 uses of ultraviolet radiation. | show 🗑
|
||||
| 2. What is fluorescence? | show 🗑
|
||||
| show | X ray passes through flesh but are absorbed by the bones
🗑
|
||||
| 4. Suggest another use of X ray. | show 🗑
|
||||
| show | Sterilise medical equipment, Preserve food and to detect and treat cancer
🗑
|
||||
| show | Gamma rays pass through fat, muscle and bones while X rays can pass through fat and muscle but not bones.
🗑
|
||||
| 7. Why are surgical equipment placed in plastic bags before sterilisation. | show 🗑
|
||||
| show | Gamma rays, x rays, ultra violet, visible light, infrared, microwave and radio waves.
🗑
|
||||
| show | The microwaves used in mobile phones is the lower frequency end of the Microwave while the microwaves used in the microwave oven is the higher frequency end of the Microwave
🗑
|
||||
| show | Burn on the skin and damage to cell from over exposure
🗑
|
||||
| 3. State 2 ways of protecting our skin from sunlight. | show 🗑
|
||||
| show | Sun burn and skin cancer
🗑
|
||||
| show | Can lead to mutation of cells
🗑
|
||||
| show | The electron or the nuclei.
🗑
|
||||
| show | The higher the frequency of the electromagnetic radiation the greater the danger associated with that electromagnetic radiation.
🗑
|
||||
| 8. Why could the microwaves with frequencies fit for use in a microwave oven be harmful to humans? | show 🗑
|
||||
| What is the speed of elecrtomagnetic radiation? | show 🗑
|
||||
| What is the EM radiation with the shortest wavelength? | show 🗑
|
||||
| What is the EM radiation with the longest wavelength? | show 🗑
|
||||
| What is the EM radiation with the highest frequency? | show 🗑
|
||||
| What is the EM radiation with the lowest frequency? | show 🗑
|
||||
| show | Radio, microwave, infrared, visible, UV, X-rays, gamma
🗑
|
||||
| Can EM waves travel through space? | show 🗑
|
||||
| show | no
🗑
|
||||
| show | water
🗑
|
||||
| Name a use of radio waves | show 🗑
|
||||
| What EM wave is used for satellite communication? | show 🗑
|
||||
| show | cooking food
🗑
|
||||
| show | electrical heaters, infrared cameras
🗑
|
||||
| show | Fibre optic communications
🗑
|
||||
| Which radiation is used in sun tanning? | show 🗑
|
||||
| Give one use of X-rays. | show 🗑
|
||||
| Give one use of gamma rays | show 🗑
|
||||
| Why are X-rays good for taking images of bone? | show 🗑
|
||||
| show | Can kill cancer cells
🗑
|
||||
| show | Premature skin aging, increased risk of skin cancer
🗑
|
||||
| show | X-rays are ionising so can cause mutations which may result in cancer
🗑
|
||||
| show | Gamma rays are ionising so can cause mutations which may result in cancer
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
Davenant Foundation School
Popular Physics sets