Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Physics
An object is placed at a distance 20 cm from the pole of a convex mirror of focal length 20 cm . The image is produced at
Q. An object is placed at a distance
20
c
m
from the pole of a convex mirror of focal length
20
c
m
. The image is produced at
315
171
NTA Abhyas
NTA Abhyas 2022
Report Error
A
13.3
c
m
B
20
c
m
C
25
c
m
D
10
c
m
Solution:
u
=
−
20
c
m
,
f
=
20
c
m
From mirror formula,
f
1
=
v
1
+
u
1
20
1
=
v
1
+
−
20
1
v
1
=
20
1
+
20
1
v
1
=
20
2
⇒
v
=
10
c
m