State the rules used for drawing ray diagrams for the formation of an image
by a concave lens.
Answers
Answered by
3
Explanation:
Rules
1. A ray of light parallel to the principal axis of the concave lens appears to be coming from focus after refraction through the lens
2. A ray of light passing through the optical centre of the concave lens goes straight after refraction through the lens.
3. when a light ray falls on focus then it goes parallel to the principal axis after refraction.
Answered by
9
Answer:
answer for your latest question
Explanation:
9
x
2
−4=0
=>
9
x
2
−36
=0
=>x
2
−36=0
=>x
2
=36
=>x=
36
=>x=+6or−6
have a nice day ahead
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