Science, asked by chandraleela999, 5 months ago

65. A person cannot see objects clearly beyond 40 cm. The power of the lens to correct
vision is

ఒక వ్యక్తి 40 cm కంటే దూరం ఉన్న వస్తువులను స్పష్టంగా చూడలేడు. ఈ దోషాన్ని సరిచేయుటకు వాడవలసిన కటక సామర్థ్యం .
H+2-5 D
(2)-2-5 D
(3) +4 D
(4) -4 D

Answers

Answered by ramandhamija

0

Explanation:

given f= 40 cm or 0.4 m

d=1/f

1/0.4= 2.5

Previous Question

Next Question

Similar questions

Science, 2 months ago

In activity to check the conduction of electricity through two liquids labelled A and B by using a bulb, it is observed that the bulb glows brightly for liquid A while it glows very dimly for liquid B. a) Liquid A is a better conductor than liquid B (b) Liquid B is a better conductor than liquid A (c) Both liquids are equally conducting (d) Conducting properties of liquids cannot be compared...

Political Science, 2 months ago

.______ may be based on ‘Devotion to the specific qualities of an individual’.

English, 2 months ago

what is lithosphere.....????

India Languages, 5 months ago

a 7. Write about you have а a description letter tourist place visited recently?

Hindi, 5 months ago

हिन्दी भाषामाम् अनादं कुरूत ) अस्माकं मदेश बिहार प्रदेशः अस्ति । अस्य राजधानी पाटलिपुत्रः अस्ति) बिहार प्रदेशच भानुभाम्रा हिन्दी अस्ति) अस्माक प्रदेश अनेका नमः ५ प्रनहन्ति । गंगा नदीषु पनिनाम) अस्ति।...

Math, 9 months ago

points are colline Ex. 4) Show that the following points ar by determinant method. A(2, 5), B(5, 7), C(8,9)...

Computer Science, 9 months ago

write any two methods to rename a layer...

Math, 9 months ago

Find the circumference of the circle whose area is 9 times the area of the circle with diameter 42 m...