Important Winter Exam Questions‼️

Question 1

What 3 things happens to the image when the eye is looking at it

Answer 1

• the image is upside down 🆙
• the image is coloured🌈
• the image is smaller than the object🤏

Question 2

A prism can be used to disperse white light 🤍 into it’s different colours 🌈. What is the name given to this pattern of colours?

Answer 2

Spectrum 🌈

Question 3

What is one danger of infrared radiation?

Answer 3

Thermal burns🔥

Question 4

What is one danger of gamma rays?

Answer 4

They can cause ionizations that damage tissue and DNA🧬

Question 5

State 1 use for X-rays 🩻

Answer 5

In hospitals for looking at broken bones🦴

Question 6

What are 3 properties of electromagnetic waves?

Answer 6

Transverse✨
Can travel in vacuum🧹
Can all be reflected🪞

Question 7

Name 2 uses of echo sounding principle

Answer 7

Oceanographers🚣‍♂️
Hydrography💦