1
Q
Three methods in concave mirror
A
Distant object method
Normal incident method
u v method
2
Q
Tabular column of normal incident method
A
Trial
R= distance b/w mirror and image on light source
f
3
Q
How to find focal length f if R is found ?
A
f=R/2
4
Q
Distance b/w light source and mirror is ____?
A
u
5
Q
Distance b/w mirror and screen placed near to the object is _____?
A
v
6
Q
Tabular requirement of uv method
A
trial no.
u
v
f
7
Q
Equation of focal length in uv method
A
f=uv/u+v
LAB
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