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Recent questions tagged Refraction of light
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An extended object is placed at a distance of 5cm from a convex lens of focal length 8cm .
asked
Sep 23
in
Science
by
priya12
(
-12,639
points)
refraction of light
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0
answers
The formula to solve critical angle?
asked
Sep 14
in
Class XI Physics
by
SLEEPY
(
15
points)
refraction of light
critrical angle
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1
answer
A person got his eyes tested by an optician.
asked
Aug 6
in
Class X Science
by
muskan15
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-3,447
points)
refraction of light
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votes
1
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The optical prescription for a pair of spectacles is: Right eye: - 3.50 D
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
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votes
1
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Two lenses A and B have power of + 2 D and - 4 D respectively.
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
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votes
1
answer
What do you understand by the power of a lens?
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
Two lenses A and B have focal lengths + 20 cm and - 10 cm respectively.
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
The power of a combination of two lenses X and Y is 5 D.
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
A convex lens of focal length 25 cm and a concave lens of focal length 10 cm are placed in close contact with one another.
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
A convex lens of power 5D and a concave lens of power 7.5 D are placed in contact with each other.
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
An object of height 4.25 mm is placed at a distance of 10 cm from a convex lens of power + 5D.
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
An object of height 4 cm is placed at a distance of 15 cm in front of a concave lens of power -10 dioptres.
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
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votes
1
answer
Fill in the following blanks with suitable words
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
The focal length of a lens is +150 mm.
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
A lens has a focal length of -10 cm.
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
A doctor has prescribed a corrective lens of power -1.5 D.
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
The opticians prescription for a spectacle lens is marked + 0.5 D.
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
What is the nature of a lens whose power is -4 D?
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
What is the nature of a lens having a power of + 0.5 D?
asked
Aug 6
in
Class X Science
by
muskan15
(
-3,447
points)
refraction of light
0
votes
1
answer
The power of a lens is -2D. What is its focal length?
asked
Aug 5
in
Class X Science
by
navnit40
(
-4,946
points)
refraction of light
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