Light

Question 1

What is the focal length?

Answer 1

Distance from the focus to the middle of the lense

Question 2

Any incident ray traveling parallel to the principal axis of a converging lens will…

Answer 2

refract through the lens and travel through the focal point on the opposite side of the lens.

Question 3

Any incident ray traveling parallel to the principal axis of a converging lens will…

Answer 3

refract through the lens and travel through the focal point on the opposite side of the lens.

Question 4

Magnification factor =

Answer 4

image height ÷ object height

Question 5

Magnification factor =

Answer 5

image height ÷ object height

Question 6

Power of the lens =

Answer 6

1 ÷ focal length

Question 7

Where does the image form?

Answer 7

where the rays cross

Question 8

What is the shape of a converging convex?

Answer 8

2 Parallel lines, after middle of lens ‘x’ shape

Question 9

Diverging concave shape?

Answer 9

Dotted line ‘x’ before middle lens

lines continue going

Question 10

What does a filter do?

Answer 10

Lets a particular colour through & absorbs all other colours on the wavelength

Question 11

What does the colour of an object show?

Answer 11

The wavelengths which are reflected into our eyes.