Show Question

info@qrpastpapers.com +20 106 606 6272

Home
Products
Free Past Papers
more
- Plans
- About
- Our Team
- Contact Us
- How It Works
- Our Services
- Why Us?

Edexcel | Physics 4PH0 | W 17 1 | Q11

W 17 1

11

Add To Classified

Binoculars are used to look at distant objects.

Many binoculars use right-angled prisms.

The diagram shows two parallel rays of light, AB and FG, from a distant bird, incident

on a right-angled prism.

W 17 1

11

(a) (I)

Add To Classified

1 Mark

On the diagram, draw the normal at G.

normal drawn at G ;

by eye

W 17 1

11

(a) (II)

Add To Classified

2 Mark s

Measure the angle of incidence at G and the angle of refraction at D.

angle of incidence at G = .............................................

angle of refraction at D = .............................................

value for G ; (45)

value for D; (45)

tolerance ±

W 17 1

11

(b)

Add To Classified

3 Mark s

Explain what happens to the light ray at C.

ray has been reflected;

totally internally;

because angle of incidence > critical

angle;

allow 42 or

W 17 1

11

(c)

Add To Classified

3 Mark s

Complete the diagram by drawing the path that light ray FG takes through the prism.

correct refraction at G downwards;

TIR on bottom surface;

emergent ray parallel to and below DE;

QR Past Papers.

Email:info@qrpastpapers.com
Phone: +2 0106 606 6272

Home
Legal Information
Terms And Conditions
Return & Refund Policy
Privacy policy

Login
Register
Shop
About us
Contact US
Services

Our Social Networks

All the included past papers are copyrighted © University of Cambridge Local Examinations Syndicate (UCLES), which we have collected from various online sources and gathered together in one website.