Int 1 Physics - Radiations:
HOMEWORK 3
This HW has 2 questions. Answer them, then press the SUBMIT button.
Your name:
Your class:
Your teacher:
Ms. McClean
Dr Voge
Miss Pique
1.
How is the light focussed in eyes that are short-sighted and long-sighted?
(a) For short-sighted eyes ...
?
A
B
C
D
(1)
(b) For long-sighted eyes ...
?
A
B
C
D
(1)
2.
For corrected sight, which lens should be used and how is the light focussed in eyes?
(a) Which lens fixes short-sightedness? (2)
?
A and C
B and D
(b) What kind of lens is it? (1)
(c) Which lens fixes long-sightedness? (2)
?
A and C
B and D
(d) What kind of lens is it? (1)
(e) Which diagram [for short-sightedness] shows the correct way light is focussed?
?
A
B
C
D
(1)
(f) Which diagram [for long-sightedness] shows the correct way light is focussed?
?
A
B
C
D
(1)
Total (10 marks)
Press when finished